SOLUTION: if pi=3.14 what is the surface area of a flat plate if the diameter of the plate is 10cm?

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Question 482811: if pi=3.14 what is the surface area of a flat plate if the diameter of the plate is 10cm?
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

the surface area of a flat plate if the diameter of the plate is 10cm
is equal to area of a circle of the diameter=10cm

A=r%5E2%28pi%29
A=%2810cm%29%5E2%283.14%29
A=100cm%5E2%283.14%29
A=314cm%5E2