Question

how to do it .....plzzzzzzzzzz tell

Answer 1

$\bf\huge\color{blue}{HEY\:MATE}$

Here is your answer.

x + 40° = 90° {Since, they are complementary angles}

=> x = 90-40
=> x = 50°

Hope this helps!!!!
plzz mark as BRAINLIEST

Answer 2

x+40=90

90-40=x

so,x=30