ok, here the formula measure of each interior angle of regular n-gon
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)
Solve for x. Your answer must be simplified.x/7 ≥−6
1 answer:
You might be interested in