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

Question

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] · Answer 1 · 2022-02-24T10:13:27+03:00

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>