margaretarnold4 margaretarnold4

05-01-2019
Mathematics

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A square board has an area of 100 square feet. What is the length of one side of the board? A) 100 ft B) 50ft C) 25 ft D) 10 ft

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wegnerkolmp2741o wegnerkolmp2741o

05-01-2019

Answer:

D) 10 ft

Step-by-step explanation:

If the board is square , we know that the formula for area is

A = s^2

The area is 100 ft^2

100 = s^2

Take the square root of each side

sqrt(100) = sqrt(s^2)

10 = s

The length of one side is 10 ft

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