Question

find the value of x. .​

Answer 1

Complementary Angles have sum equal to 90°.

Given:

$\angle AOC = x \\ \angle COB = 63°$

Solution:

$\angle AOB = 90°$

$\therefore \angle AOC +\angle COB = 90°$

$\therefore x + 63° =90°$

$\therefore x= 90°-63°$

$\therefore x=27°$