3 years ago

Find the measure of each interior angle of a regular octagon.

Mathematics

1 answer:

notka56 [123]3 years ago

8 0

ok, here the formula measure of each interior angle of regular n-gon

${180}^{0} - \frac{ {360}^{0} }{n}$

octagon ~ 8-gon, so

180° - 360°/8 = 135° (A)

for the sum, we just need multiply the formula above with n

nonagon ~ 9-gon

sum = 9(180° - 360°/9)

= 9(140°) = 1260 (C)

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