Question

In parallelogram abcd angle a :angle b =1:2 find angle a

Answer 1

Solution:-

Let angle A be 1x And Angle B be 2x

In //gm ABCD ,

angle A + Angle B = 180° ( sum of co-interior Angles

is 180° )

Therefore,

1x+2x = 180°

3x= 180°

x=180/3

x = 60°

Thus, angle A= 1x = 1 X 60°

=60°

Answer

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