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rectangle — a four-sided figure in which the opposte sides have the same length and all four interior angles are right angles (90 degrees).
square — a rectangle in which each side is the same length.
parallelogram -a four-sided figure in which the opposte sides are parallel to each other and the opposite sides have the same length.
rhombus — a type of parallelogram in which each side is the same length.
trapezoid — a four-sided figure that has two opposite sides that are parallel to each other.
kite — a four-sided figure shaped like a diamond in which the two pairs of adjacent sides have the same length.

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 Area of Rectangles Printout #1 Determine the area of the rectangles on this printable worksheet. Or go to the answers. Area of Rectangles Printout #2 Determine the area of the rectangles on this printable worksheet. Or go to the answers. Area of Rectangles Printout #3 Determine the area of the rectangles on this printable worksheet. Or go to the answers. Area of Grids Printout #3 Determine the area of the grids on this printable worksheet. Or go to the answers.

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Familiarize kids with the different types of quadrilaterals and their properties; employing the visually appealing charts. Analyze the family tree and comprehend the similarities and differences between the quadrilaterals too.

Identifying the quadrilaterals worksheets feature ample PDFs to recognize and name the quadrilaterals, sort them as ‘quadrilateral’ or ‘not a quadrilateral’, draw and classify quadrilaterals, and solve ‘Who am I?’ riddles; to mention just a few.

Square Worksheets

This bundle of square worksheets offers skills for beginners to identify and color squares, followed by computing the perimeter and area of squares. Learn to determine the side lengths from diagonal measures and vice-versa and much more.

Rectangle Worksheets

The array of rectangle worksheets contains varied exercises on recognizing rectangles, calculating the area and perimeter of rectangles, finding the area of rectangular paths and rectilinear shapes, figure out the indicated angles and a lot more.

Parallelogram Worksheets

Bolster skills with this compilation of parallelograms worksheets. Identify the parallelograms with and without the indicated side measures and congruent parts, find the side lengths and the diagonal lengths, compute the area and perimeter, find the angles and much more!

Trapezoid Worksheets

This assortment comprises worksheets on classifying trapezoids as scalene, isosceles or right; based on their congruent parts. Learn to calculate the midsegment length, compute the area and perimeter of trapezoids and more.

Rhombus Worksheets

The printable rhombus worksheets consist of charts to identify rhombuses based on sides, diagonals and angles, and a multitude of PDFs to practice finding the side lengths and diagonal measures by solving linear equations to find ‘x’, determine the area and perimeter and find the angle measures too.

Kite Worksheets

This compact collection of kite worksheets encloses charts, and skills to identify kites using the indicated measures and congruent parts, finding the side length, area, perimeter, angles and a lot more.

Calculate the perimeter of various special quadrilaterals like squares, rectangles, parallelograms, rhombuses, kites and trapezoids with this array of worksheets with dimensions presented as integers and decimals, comprehend the congruent property and solve algebraic expressions to find the side length.

Obtain an enormous collection of worksheets on area of quadrilaterals to boost your practice in finding the area of quadrilaterals with dimensions expressed as whole numbers and fractions, find the missing parameters of quadrilaterals and more.

Learn the application of angle properties of quadrilaterals; figure out the measures of the indicated angles, also solve for ‘x’ to determine the angles of special quadrilaterals to mention just a few.

## Table quadrilaterals | Material on geometry (grade 8) on the topic:

Published on 11/01/2015 — 9:39 — Shabanova Natalya Mikhailovna

### Preview:

 No. Name Definition View Properties and features Special properties 1 Parallelogram opposite sides are parallel. opposite sides are equal; opposite angles are equal; the diagonals of the intersection point are bisected; the sum of the angles adjacent to one side is 180°; 2 A rectangle is called a parallelogram with all right angles. All parallelogram properties (1 — 4) 3 A rhombus is a parallelogram whose all sides are equal. All parallelogram properties (1 — 4) 1. diagonals are perpendicular; 2. the diagonals are the bisectors of its angles. 4 A square is a rectangle with all sides equal. All properties of rectangle and diamond 03 Trapeze is a quadrilateral in which two opposite sides are parallel and the other two are not parallel. The parallel sides of a trapezoid are called its bases, and the non-parallel sides are called its sides. Sign: A quadrilateral is a trapezoid if its parallel sides are not equal 02 Isosceles trapezoid A trapezoid is called isosceles (or isosceles) if its sides are equal. 1. the diagonals are equal and the angles at the base are equal; 5.2 A rectangular trapezoid

### Subject: methodological developments, presentations and abstracts

###### Excel spreadsheet. Data input. Table formatting.

Outline of the lesson. Didactic material for the lesson .

###### Development of a lesson-competition in the 8th grade in geometry on the topic «Quadangles. Properties, features and areas of quadrangles»

The material of the lesson systematizes and generalizes knowledge about quadrangles, their properties, features, areas …

The table can be used to check (fix) the properties of quadrilaterals. Students put down +, — or yes or no in the corresponding cells of the table ….

###### Educational element for a geometry lesson on the topic: «Quadangles. Formulas for finding the areas of quadrangles»

The educational element contains theoretical material on this topic and examples of tasks….

###### Outline on the topic “Criteria for inscribed quadrangles. Problems to prove that a circle can be circumscribed near a quadrilateral.

Outline on the topic “Criteria for inscribed quadrangles. Tasks for proving that a circle can be circumscribed near a quadrilateral. &raquo…

###### Generalization lesson on the topic “QUADRANGLES. PROPERTIES, FEATURES, AREAS OF QUADRANGLES» 9Class 8 :

Instruction

for the test on the topic

The test includes short answer items and multiple choice items. Solving tasks, additional drawings you draw up in drafts.

Task 1: Match the figures with their definitions. In the answer table, write one answer under each letter using the numbers 1), 2), 3), 4), 5).

Task 2: Match the shapes with their properties. In the answer table, enter the numbers of the figures that the property fits. There may be several answers. Write down the answer numbers using numbers without spaces, without commas or other signs (for example, 1356).

Task 3: Determine the type of quadrilateral given the picture. Write in a word (without abbreviations) the name of the figure under each picture.

Task 4: Solve the problems and write down the answer for each. In the table of answers, under the task number, write down the correct answer: a letter and a number (for example, a) 15; e) 157º).

Test evaluation criteria

1 task – 1 point; «5» — 21 — 23 points;

2nd task — 10 points; «4» — 17 — 20 points;

Task 3 — 3 points: «3» — 12 — 17 points;

4 task — 8 points; «2» — less than 12 points.

Good luck!

1. Establish a correspondence between the figures and their definitions:

A) parallelogram B) trapezoid C) rectangle D) rhombus E) square

…. is a parallelogram with all right angles.

… is a quadrilateral in which two sides are parallel and the other two are not parallel.

… is a rectangle with all sides equal.

… is a quadrilateral whose opposite sides are pairwise parallel.

… is a parallelogram with all sides equal.

 A B B 90 019 D D

Properties:

A) Opposite sides and angles are equal.

B) Opposite sides are equal and parallel.

C) The sum of the angles is 360º.

D) All sides are equal.

E) All angles are equal.

E) The sum of the angles adjacent to one side is 180º.

G) The diagonals of the intersection point are divided in half.

H) The diagonals are equal.

I) The diagonals are equal and mutually perpendicular.

K) Diagonals are angle bisectors.

Shapes:

1) square; 2) rectangle; 3) parallelogram; 4) trapezoid; 5) rhombus;

6) isosceles trapezium.

90 339

Z

 A B H D L E F I K 9001 9

2

4. Write down the answer to each problem:

 1 ABCD is a parallelogram, BC = 5, CD = 3. Find the perimeter of ABCD. a) 15 p) 16 o) 8 k) 30

46º.

Find angle B.

o) 46º l) 92º t) 134º f) 157º 11

 3 MPKT – parallelogram, RO = 4, MO = 3. Find RT + MK f) 12 o) 14 m) 7 l) 24
90 014

 4. ABCD is a parallelogram, AB = 7, KS = 2. Find AD. l) 9 d) 14 o) 4 f) 5 0512 5. ABCD — rectangle, BD = 5, AB = 4, AD = 8. Find AO. o) 10 m) 4 e) 2.5 d) 2 6. 9001 9 MPKT — rhombus, MP = 25, OP = 24, MO = 7. Find the perimeter triangle TOK. i) 49 p) 168 t) 175 m) 56

9050 9

7.

ABCD — trapezoid. Find angle D 509

8.

ABCD — isosceles trapezium, AH = 5, BC = 14 .Find AD.

n) 15 d) 24 k) 28 s) 1

 1. 2. 3. 4. 90 019 5. 6. 7. 8.

5 . Determine the type of quadrilateral if it is known that …

1) a parallelogram has one right angle;

2) the diagonals of a rhombus are equal;

3) the diagonals of a parallelogram are equal and perpendicular;

4) all sides of a quadrilateral are equal;

5) for a rectangle, the diagonal is the bisector of the angle.

A) rectangle; square; square; rhombus; square.

B) square; rhombus; rectangle; square; square.

B) rectangle; square; rhombus; square; square.

0253

9Set 2

9 0512

126

 A B B D D 4 2 1 5 3 B V D D E 900 03 W W I K 1235 1235 123456 90 003 15 125 1235 125 1 15

Reference 3 :

 Square Rhombus Parallelogram