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The radius of a clock face is 8.5 centimeters. What is the area of the clock face? A. 53.38 cm2 B. 226.87 cm2 C. 907.46 cm2 D. 56.72 cm2
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The radius of a clock face is 8.5 centimeters. What is the area of the clock face?

A. 53.38 cm2
B. 226.87 cm2
C. 907.46 cm2
D. 56.72 cm2

User Nik Kober
by
5.4k points

2 Answers

5 votes
When finding the area of a circle you have to use the formula
Area= Pie x radius^2
Radius=8.5
So you have to plug that into the equation.
8.5x8.5=72.25
72.25x3.14=226.87
So Area is 226.87
So your answer is B
User Radoslav Stoyanov
by
5.3k points
4 votes
pi x r x r
3.14 x 8.5 x 8.5
=226.87cm square
so the answer is B
User Eladidan
by
5.9k points
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