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3 years ago

13

Find the measure of arc BC.

2 answers:

Lilit [14]3 years ago

8 0

It is 115 degres
BE is a diameter, so it equals 180 degrees
You have to find angle A, because the angle A will equal the arc measure of BC
In order to find A, you need to subtract 40 and 25 from 180
180-40-25=115
The measure of arc BC is 115 degrees
hope this helps:))

AURORKA [14]3 years ago

3 0

Arc BC = 180 - ( 40 + 25) = 180 - 65 = 115

hope it helps

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