In parallelogram ABCD, find m∠A. A) 15° B) 70° C) 110° D) 200°

Mathematics

1 answer:

hram777 [196]3 years ago

8 0

You might know this property of parallelogram that "Consecutive angles are supplementary" i.e A + D = 180. So 6x + 20 + 4x + 10 = 180. 10x = 150. x= 15. Therefore ∠A = 6x + 20 = 6( 15) + 20 = 110°. so option C is correct.

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