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:
is your neighbor jewish by any chance?
Step-by-step explanation:
DONT TRUST THE GERMANS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answer:
175$
Step-by-step explanation:
Answer: 20-4x
Explanation:
20(a number) minus 4 times x
Answer:
doubt
Step-by-step explanation:
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