Question

PLSSSSSSSSSSSSSSS HELP pls

Answer 1

`{\qquad\qquad\huge\underline{{\sf Answer}}}`

Let's solve ~

`\qquad \sf  \dashrightarrow \: 10x + 30 = 90`

[ according to given figure ]

`\qquad \sf  \dashrightarrow \: 10x = 90 - 30`

`\qquad \sf  \dashrightarrow \: 10x = 60`

`\qquad \sf  \dashrightarrow \: x = 60 / 10`

`\qquad \sf  \dashrightarrow \: x = 6 \degree`

Correct choice is D