2nd one, hope this helps sorry if i am wrong
C = pi * r ^squared
r = is radius
square the radius, multiple by r
or
2 x pi x r
Answer:
It's Same perimeter only
Step-by-step explanation:
It can't be the other two because they don't share the same area
Answer:8 12 and 20
Step-by-step explanation:I googled it
