In the adjoining figure, show that ABCD is a parallelogram. Calculate the area of ||gm ABCD.
In the adjoining figure, show that ABCD is a parallelogram. Calculate the area of ||gm ABCD.

Ex 3.3, 1 - Chapter 3 Class 8 Understanding Quadrilaterals - Part 2
Ex 3.3, 1 - Chapter 3 Class 8 Understanding Quadrilaterals - Part 3
Ex 3.3, 1 - Chapter 3 Class 8 Understanding Quadrilaterals - Part 4

Ex 3.3

Ex 3.3, 2 (i)

Ex 3.3, 2 (ii)

Ex 3.3, 2 (iii) Important

Ex 3.3, 2 (iv)

Ex 3.3, 2 (v) Important

Ex 3.3, 3 (i) Important

Ex 3.3, 3 (ii)

Ex 3.3, 3 (iii)

Ex 3.3, 4 Important

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Ex 3.3, 6

Ex 3.3, 7 Important

Ex 3.3, 8 (i)

Ex 3.3, 8 (ii) Important

Ex 3.3, 9 Important

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Ex 3.3, 12 Important

Last updated at May 29, 2023 by Teachoo

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°

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