In this image, point a is the center of the circle. which two line segments must be equal in length? a)`bar(ah)`and`bar(bc)`b)`bar(hi)` and `bar(bc)`c)`bar(ef)`and `bar(hi)d)`bar(ef)`and `bar(ai)`

Choice C) Segment EF and segment HI are the same length

Why is this the answer? Because these two segments are diameters of the same circle. All diameters of a given circle are the same length. A diameter is a segment that goes through the center of the circle and both endpoints are on the edge of the circle itself.

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step-by-step explanation:

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