Question

pleas solve que no 14 its so imp

Answer 1

angle AOC =angle COB

consider one angle as x

so

aoc + cob =180...............[linear pair]

2x=180
x=
$x = \frac{180}{2}$
x=90

so angle aoc is 90degrees

Answer 2

angle Aoc +angle CoB = 180°
2( Angle AoC) =180° (acc to question
angle Aoc =180/2
=90.°