currentlykyana currentlykyana

09-05-2017
Mathematics

contestada

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

Respuesta :

09-05-2017

pi x r x r
3.14 x 8.5 x 8.5
=226.87cm square
so the answer is B

Answer Link

marie123451 marie123451

09-05-2017

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

Answer Link

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