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What is the area of a circle if the diameter is 9cm?
Round to the nearest hundredth (0.01cm2)

User Robino
by
6.7k points

2 Answers

1 vote

Answer:

To find the area of a circle we have
\pir^(2) and the radius is half of the diameter so we have 4.5² which gives 16.25π

User Perigee
by
7.8k points
2 votes

Answer: A≈63.62

Explanation:

9/2= 4.5

A=πr2=π·4.52≈63.61725

User Tikkes
by
8.2k points

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