9.2k views
4 votes
Find the measure of z

A. 108
B. 120
C. 135
D. 144

Find the measure of z A. 108 B. 120 C. 135 D. 144-example-1
User RandomSeed
by
5.3k points

1 Answer

5 votes
Sum of all interior angles = ( n - 2) x 180

Since Octagon = 8 sides,

Sum of all interior angles = ( 8 - 2) x 180 = 1080

z = 1080 ÷ 8 = 135°

Answer: z = 135°
User Eric Routhier
by
5.4k points