Answer: a)pentágono 540° = 108×5
b)heptágono 900°≈128.57 ×7
- c)octágono 1080° = 135 × 8
- d)nonágona 1260 = 140 × 9
Step-by-step explanation:
360 ÷ number of sides = x Subtract x from 180 =y measure of interior∠
Multiply y × number of sides == sum of interior angles
Answer:
C is the answer! You're welcome
Answer:
I think it’s D
Step-by-step explanation:
Sure what do you need help on
A .600
B. .400
C .0
D I'm not quite sure
