1 Answer

Efrem · Answer 1 · 2024-11-19T03:09:33+0000

Answer:

Explanation:

The picture of the question in the attached figure

we know that

The measure of the interior angle is the semi-sum of the arches that comprise it and its opposite.

so

Answer:
$m\angle 1=(1)/(2)(arc\ a+arc\ b)$ Step-by-step explanation: The picture of - 1

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