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In parallelogram ABCD the ratio of two adjacent angles is 2 : 3.
Find the smaller of these two angles.

Class 8Types of QuadrilateralsQuadrilaterals

A72
B79
C144
D65

Step-by-Step Solution

Adjacent angles are supplementary:

2 x + 3 x = 180

, so

5 x = 180, x = 36

. Smaller =

2 x = 72

deg.

Answer: A) 72

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