Question

6. Arc AB measures 80' which is an intercepted arc of a central angle AOB, what is the measure of angle AOB? A. 40° B. 80° C. 160° D. 260°Need quick solution

Answer 1

Given

Arc AB = 80 degree

Find

Measure of angle AOB

Explanation

By properties of circle,

$\angle AOB=2\times\angle AOC$

so,

$\angle AOB=2\times80\degree=160\degree$

Final Answer

correct option is C