Answered

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Cindy is baking a 2-layer cake. The top layer has a diameter of 8 inches and the bottom layer has a diameter of 10 inches. What is the difference in area between the top
surfaces of the two cakes?

Sagot :

Answer:

28.72

Step-by-step explanation:

The area for the 8 inch diameter cake is 50.27

1/4·π·8^2

but the area for the 10 inch diameter cake is 78.54

1/4·π·10^2 = 78.54

All you do to find the difference is

78.54 - 50.27 which is 28.72

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