Question

find the value of x in the figure

Answer 1

In the given figure 35°+ 40° + x° = 180°
(They make a linear pair)

75°+x° = 180°

x° = 180° - 75°

=> 105°


Hope it helps

Answer 2

$\textbf {Your answer !!}$

$= > angle \: aop + angle \: poq + angle \: qob = 180 \: (linear \: pair) \\ \\ = > 35 + x + 40 = 180 \\ \\ = > 75 + x = 180 \\ \\ = > x = 180 - 75 \\ \\ = > x = 105$

$\textbf { Thanks !!}$