Answer:
10inchs
Step-by-step explanation:
sana makatulong
Answer:
115°
Step-by-step explanation:
Supplementary angles equal 180.
180-65=115°
Associative property of addition
Answer:
Step-by-step explanation:
Answer:
A polygon that has 7 sides.
Step-by-step explanation:
S=(n-2)*180
n representing the sides
plug in each one into the formula and see which one = 900 degress.