2 years ago

A polygon has 15 sides.

Mathematics

1 answer:

cupoosta [38]2 years ago

6 0

(a) correct

(b) The exterior angles of a polygon add to 360°, so the other 8 interior angles add to 160°. Since an exterior angle and its corresponding interior angle add to 180°, the 8 exterior-interior angle pairs we must consider add to 1440°. Thus, the answer is 1280°.

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