Question

EXERCISE 16A
1. ABCD is a parallelogram in which ZA = 110°. Find the measure of each of the angles
ZB, ZC and ZD.​

Answer 1

Step-by-step explanation:

Angle A = Angle C ( Opposite angles of a parralelogram are equal )

So, Angle A and Angle C = 110°

Now , Angle A + Angle B = 180° ( Consecutive angles of a parralelogram measures 180°

So, Angle A + Angle B = 180°

110° + Angle B =180°

Angle B = 180-110=70°

Now , Angle B = Angle D = 70°

So, the four angles are 110° , 70° , 110° , 70°

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