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A circle has diameter AB. A line starts at A and zig-zags exactly 4 times between....................what is α equal to?

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A circle has diameter AB. A line starts at A and zig-zags exactly 4 times between the diameter and the circumference until it ends at B, as shown below.

enter image description here

If each of the angles the line makes with the diameter has the same measure α, what is α equal to?

posted Mar 22, 2021 by Ujjwal Mehra

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