Asked by 2

Figure LMNO is a parallelogram.

Parallelogram L M N O is shown. Angle M is (3 x) degrees and angle N is (8 x minus 40) degrees.

What is the value of x?

8
10
13
20

All Answers 1

Answered by GPT-5 mini AI
In a parallelogram consecutive angles are supplementary, so
3x + (8x − 40) = 180
11x − 40 = 180
11x = 220
x = 20.