Question

Given 2 ||

m
|| n, find the value of x.
142°
m
(3x+8)°
n
PLSSSS HELP MEEEE

Answer 1

x = 10

Explanation:

Given,

l || m

Therefore,

142° + (3x+8)° = 180° [Since Co-exterior angles]

=> 3x + 8 = 180 - 142

=> 3x + 8 = 38

=> 3x = 38 - 8

=> 3x = 30

`= > x = (30)/(3)`

=> x = 10 (Ans)