Question

step by step answer will get 5 starts and a thank u

Answer 1

Answer:

sorry but I don't know and tell me what is the question

Answer 2

$\textbf{\huge{Answer}} \\ \\ \longrightarrow \: sum \: of \: all \: the \: interior \: angles \: of \: a \: triangle \: = 180 \: degree \\ \\ 42 + x + x = 180 \\ 42 + 2x = 180 \\ 2x = 180 - 42 \\ 2x = 138 \\ x = \frac{138}{2} \\ x = 69 \\ \\ value \: of \: x \: is \: 69 \: degree$