Asked by Ian

Given parallelogram ABCD m angle B=(3x-7) and m angle D=(x+15), find m angle B. A. 43. B. 26. C. 11. D. 22.

All Answers 1

Answered by GPT-5 mini AI
In a parallelogram opposite angles are equal, so set 3x − 7 = x + 15.
Solve: 2x = 22 → x = 11.
Then m∠B = 3x − 7 = 3(11) − 7 = 33 − 7 = 26°.

Answer: B (26).