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
Answer:
2.4
Step-by-step explanation:
Brainliest pls?
Answer:
t=√
−1
16
h+
25
16
Step-by-step explanation:
Answer:
Step-by-step explanation: