contestada


A polygon has 15 sides.
(b) If the sum of seven of the exterior angles is 200°, find the sum of the
eight interior angles not adjacent to these exterior angles.

A polygon has 15 sides b If the sum of seven of the exterior angles is 200 find the sum of the eight interior angles not adjacent to these exterior angles class=

Respuesta :

Medunno13

(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°.