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.

Question

3 years ago

7

What is the value of x? 8 10 13 20

2 answers:

zheka24 [161] · Answer 1 · 2022-03-21T00:59:53+03:00

6 0

Answer:

20

Step-by-step explanation:

saw5 [17] · Answer 2 · 2022-03-20T23:38:20+03:00

saw5 [17]3 years ago

5 0

Answer:

20

Step-by-step explanation:

we know that

In a parallelogram, opposite angles are congruent and consecutive angles are supplementary

In this problem

M and N are consecutive angles so

$m\angle M+m\angle N=180^o$

substitute the given values

$3x^o+(8x-40)^o=180^o$

solve for x

$11x-40=180\\11x=220\\x=20$