Question

Which expression gives the measure of abc

Answer 1

Answer:

Option B $\frac{1}{2}(110\°+20\°)$

Step-by-step explanation:

we know that

The measure of the interior angle is the semisum of the arcs comprising it and its opposite.

so

In this problem

$m$

substitute the values

$m$

$m$

Answer 2

Answer:

It’s the option B on apex !!

Step-by-step explanation: