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S.chand books class 8 maths solution chapter 19 Special Types of Quadrilaterals exercise 19 A

EXERCISE 19 A


1.What would you call a figure having four sides out of which two opposite sides are parallel ?

2.What would you call a figure having four sides, the opposite sides parallel and the angles at the corner right angles ?

3.What would you call a figure having four equal sides, the opposite sides parallel and the angles at the corners right angles ?

4.What shape is a one-rupee currency note ?

5.Write true or false
(i) Every quadrilateral is a parallelogram
(ii) Every parallelogram is a rhombus
(iii) Every square is a rhombus
(iv) Every square is a rectangle
(v) No parallelogram is a square
(vi) Every square is a parallelogram

6.ABCD is a parallelogram.What special name wil you give it , if the following additional facts are known ?
(i) AB=AD
(ii) angleBAD is a right angle
(iii) AB=AD and angleBAD = right angle

7.DE are points on sides AB , AC of delta such that DE||BC. What is a quadrilateral BCED called ?

8.How does a trapezium differ from a parallelogram ?

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