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In circle O below, what is the measure of arc ED?

In circle O below, what is the measure of arc ED?
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1 vote
In circle O below, what is the measure of arc ED?

In circle O below, what is the measure of arc ED?-example-1
User Aayush Kumar
by
8.4k points

1 Answer

3 votes
Triangle FOD is an isosceles with base FD.
FD = 2 · 4 = 8
FD = CB
Arc CB = 56°
Arc ED = 1/2 Arc FD = 1/2 Arc CB
Arc ED = 56° : 2
Answer:
Arc ED = 28°

User Prasad Silva
by
8.8k points
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