Math, asked by ranjitkumarmodi5365, 2 months ago

In a parallelogram ABCD if ANGLE a- b=40°them find measurement of angle b and c

Answers

Answered by tonystarky247
0

Step-by-step explanation:

According to figure,,

angle,, A + B = 180° -- (rule) -- 1st eq.

angle,, A - B = 40° -- (given) -- 2nd eq.

Adding 1st and 2nd eq.

angle,, 2A = 220°

angle A = 110°

So, angle B = 70°

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