Given that O is the center of the circle, find the measure of angle BAC of arc DC = 120

Question

asked Jan 21, 2022 158k views

1 Answer

Panda Pajama · Answer 1 · 2022-01-28T02:53:23+0000

Answer:

30 degrees.

Explanation:

DC is given as 120, so start off by finding arc BC.

180-120= Semicircle-DC=60.

BC=60.

Inscribed angles are half of their arcs.

60/2=30.