Answer:
18 sides
Step-by-step explanation:
P=x+18
a=8
b=x
c=10
P=8+x+10
Answer: Um, the answer is B, and C?
3sq units
bxh = 2x3=6
6/2=3
6/2
8
It be wayyy to much to put 13 it would make the mean 9 8 is perfect
