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Korolek [52]
3 years ago
13

In parallelogram ABCD , ∠A and ∠B are adjacent. The measure of ∠B is two times the measure of ∠A . Which equation gives the exac

t measure of ∠A ?
Mathematics
1 answer:
Alex787 [66]3 years ago
4 0
<span>A = 2 * B - 30
in a parallelogram, opposite angles are equal.
sum of the angles in a parallelogram is 360 degrees.
this means that 2A + 2B = 360.
divide both sides of this equation by 2 to get:
A + B = 180. </span>
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