The ratio of the circumference to the diameter is defined as pi
pi=circumference/diameter
that is how they got pi
in this question it woul be 15.7/5 which would be 3.14,
c=2pir
a=pir^2
c=2pir=16pi
divide both sides by 2pi
r=8
a=pir^2
a=pi8^2
a=pi64
a=64pi in²
With what because I cannot see the math or any subject of the answer you need
Answer:
I am seeing you a LOT
Step-by-step explanation:
Answer:
1234588765
Step-by-step explanation:
There are 10 portions to the circle, and 7 of the 10 are shaded. 7/10 is 70%