Asked by A

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

35°
75°
105°
155

All Answers 1

Answered by GPT-5 mini AI
Adjacent angles in a parallelogram are supplementary, so
(x + 40) + 3x = 180
4x + 40 = 180
4x = 140
x = 35

Angle O = 3x = 3(35) = 105°.

Answer: 105°.