ehalvorson17 ehalvorson17

09-07-2021
Mathematics

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

given that O is the center of the circle find the measure of angle BAC of arc DC 120 class=

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anabellaistalking anabellaistalking

09-07-2021

Answer:

30 degrees.

Step-by-step 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.

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