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Find the angle of arc BC
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Find the angle of arc BC

Find the angle of arc BC-example-1
User Cuihtlauac
by
8.1k points

1 Answer

3 votes

Answer:

96°

Explanation:

The measure of arc EC is twice the measure of ∠DEC, so is ...

arc EC = 2×68° = 136°

The measure of arc BC is found from the sum of arcs around a circle.

BC +CE +EB = 360° = BC +136° +128°

BC = 96° . . . . . subtract 264°

User MirroredFate
by
7.9k points
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