The diameter of a round dinner plate is 10 inches. what's the area of the plate?
a. 314 square inches
b. 39.25 square inches
c. 78.5 square inches
d. 39.25 inch

For calculating the area of a circle, we have to use the formula A =

We also know that the diamter is twice the length of the radius. So, the radius is 5 inches.

So now, all we have to do is multiply by , and we get an answer of around 78.5 square inches

Hope I helped!! xx

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