Question

please solve this questions 5 question 5th part

Answer 1

it is a linear pair, hence sum of both angles on straight line =180

$2(x - 10) + x = 180 \\ 3x = 200 \\ x = \frac{200}{3}$

x=66.6

Answer 2

hey mate, this is ur answer
x+2(x-10°)=180° u know very well then
=>x+2x-20°=180°
=>3x=180°+20°
=>3x=200°
=>x=200°/3answer ....
hope it helps..