Mathematics for IGCSE & O level - Circle Theorems (Section 2 - No. 21)
How does the angle at the center of a circle, subtended by an arc, relate to the angle at the circumference subtended by the same arc?
The angle at the center is half the angle at the circumference.
The angle at the center is equal to the angle at the circumference.
The angle at the center is twice the angle at the circumference.
The angle at the center is four times the angle at the circumference.
Explanation
The angle at the center is twice the angle at the circumference.
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