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# Formative Assessment- Understanding Quadrilaterals Class 8 Notes | EduRev

## Mathematics (Maths) Class 8

Created by: Indu Gupta

## Class 8 : Formative Assessment- Understanding Quadrilaterals Class 8 Notes | EduRev

The document Formative Assessment- Understanding Quadrilaterals Class 8 Notes | EduRev is a part of the Class 8 Course Mathematics (Maths) Class 8.
All you need of Class 8 at this link: Class 8

Question 1: Complete the following crossword puzzle using the given directions for Across [from left to right] and Down [from top to bottom].

Directions:
Accross: (1) The points where, the sides of a polygon meet are called __________.
(2) A polygon made by six sides is called a __________.
(3) The side joining two vertices is called a __________.
(4) A four sided polygon is called a __________.
(5) A five sided polygon is called a __________.

Down:
(6) A parallelogram having all of its four sides equal is called a __________.
(7) A simple closed figure made of only line-segments is called a __________.
(8) The line segment joining the opposite sides of a polygon (except-triangle) is called a __________ of the polygon.

Question 2: Match the following:

 Column A Column B (a) The parallelogram that is inscribed in a circle is a ____ (i) Square (b) The parallelogram having all of its sides equal is called a_______ (ii) Rectangle (c) The diagonals of a quadrilateral areunequal and bisect each other necessarily at right angles. It is a _____ (iii) Kite (d) The diagonals of a parallelogram areequal and bisect each other at rightangles. It is a ______ (iv) Rhombus

Question 3: Choose the appropriate answer:
(i) Which of the following is a regular quadrilateral? (a) a rhombus (b) a square (c) a rectangle (d) a parallelogram
(ii) Which of the following is not a parallelogram?
(a) square (b) Trapezium (c) Rhombus (d) Rectangle
(iii) Which of the following quadrilateral is having every internal angle equal to 90 Â°
(a) Rhombus (b) parallelogram (c) kite (d) Rectangle
(iv) Which of the following is the sum of an exterior angle and its adjacent interior angle?
(a) A straight angle (b) A right angle (c) A complete angle

Question 4: Answer the following questions:
(i) For a regular polygon of  n sides (nâ€”2) Ã— 180Â° is the measure of the sum of its interior angles or exterior angles?
(ii) If the sum of all the exterior angles of a quadrilateral is 360Â° then what is the sum of all the exterior angles of an octagon?
(iii) Tetragon is the other name of which polygonâ€“a quadrilateral or a triangle?
(iv) What do we call a trapezium having its nonparallel sides equal?

1. (1) â†’ VERTICES
(2) â†’ HEXAGON
(3) â†’ EDGE

(5) â†’ PENTAGON
(6) â†’ RHOMBUS
(7) â†’ POLYGON
(8) â†’ DIAGONAL

2. (a) â†’ (ii) (b) â†’ (iv) (c) â†’ (iii) (d) â†’ (i)
3. (i) (b) (ii) (b) (iii) (d) (iv) (a)
4. (i) Sum of interior angles
(ii) 360Â°
(iv) An isosceles trapezium

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