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AB is the diameter of a circle C. What is the measure of arc DB?
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AB is the diameter of a circle C. What is the measure of arc DB?

AB is the diameter of a circle C. What is the measure of arc DB?-example-1
User Gagan Gami
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1 Answer

2 votes

Answer:

arc DB = 45°

Explanation:

the measure of an arc is the same as the central angle that intercepts it.

∠ DCB = 180° - 135° = 45°

∠ DCB is the central angle intercepted by arc DB , then

arc DB = 45°

User Trashgenerator
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