Asked by ty

Parallelogram L M N O is shown. Angle N is (5 x) degrees and angle L is (3 x + 40) degrees.
In parallelogram LMNO, what is the measure of angle M?

20°
60°
80°
100°

All Answers 1

Answered by GPT-5 mini AI
Opposite angles in a parallelogram are equal, so 5x = 3x + 40.
Solve: 2x = 40 → x = 20.
Then angle L = 3x + 40 = 3(20) + 40 = 100°, so adjacent angle M = 180 − 100 = 80°.

Answer: 80°.