oliverdansinger oliverdansinger

07-05-2018
Mathematics

contestada

Find the value of x for which M//N. PLEASE EXPLAIN HOW TO SOLVE ALSO

A.
38
B.
62
C.
102
D.
150

Find the value of x for which MN PLEASE EXPLAIN HOW TO SOLVE ALSO A 38 B 62 C 102 D 150 class=

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subnovamuum subnovamuum

07-05-2018

The answer is A, 38.

The two angles are complementary so 3x-36+2x+26=180

Just simplify from there.

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Professor1994 Professor1994

07-05-2018

If m//n the external conjugated angles must be complementary:
(3x-36)°+(2x+26)°=180°
(3x-36+2x+26)°=180°
3x-36+2x+26=180
5x-10=180
5x-10+10=180+10
5x=190
5x/5=190/5
x=38

Answer: Option A. 38

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