# Ex 3.3, 1 - Chapter 3 Class 8 Understanding Quadrilaterals

Last updated at Aug. 4, 2018 by Teachoo

Last updated at Aug. 4, 2018 by Teachoo

Transcript

Ex 3.3, 1 Given a parallelogram ABCD. Complete each statement along with the definition or property used. (i) AD = ......In parallelogram Opposite sides are equal Opposite angles are equal Diagonals bisect each other Sum of adjacent angles is 180° In parallelogram, Opposite sides are equal ∴ AD = BC Ex 3.3, 1 Given a parallelogram ABCD. Complete each statement along with the definition or property used. (ii) ∠ DCB = ...... In parallelogram Opposite sides are equal Opposite angles are equal Diagonals bisect each other Sum of adjacent angles is 180° In parallelogram, Opposite angles are equal ∴ ∠DCB = ∠BAD Ex 3.3, 1 Given a parallelogram ABCD. Complete each statement along with the definition or property used. (iii) OC = ......In parallelogram, Diagonals bisect each other ∴ OC = OA In parallelogram Opposite sides are equal Opposite angles are equal Diagonals bisect each other Sum of adjacent angles is 180° Ex 3.3, 1 Given a parallelogram ABCD. Complete each statement along with the definition or property used. (iv) m ∠ DAB + m ∠ CDA = ......In parallelogram Opposite sides are equal Opposite angles are equal Diagonals bisect each other Sum of adjacent angles is 180° In parallelogram, Sum of adjacent angles is 180° ∴ ∠DAB + ∠CDA = 180°

Ex 3.3

Ex 3.3, 1
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Ex 3.3, 2 (i) Important

Ex 3.3, 2 (ii)

Ex 3.3, 2 (iii)

Ex 3.3, 2 (iv)

Ex 3.3, 2 (v)

Ex 3.3, 3 (i) Important

Ex 3.3, 3 (ii)

Ex 3.3, 3 (iii)

Ex 3.3, 4

Ex 3.3, 5 Important

Ex 3.3, 6

Ex 3.3, 7

Ex 3.3, 8 (i)

Ex 3.3, 8 (ii)

Ex 3.3, 9 Important

Ex 3.3, 10

Ex 3.3, 11

Ex 3.3, 12 Important

Chapter 3 Class 8 Understanding Quadrilaterals

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Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.