margaretarnold4 margaretarnold4

05-01-2019
Mathematics

contestada

A square board has an area of 100 square feet. What is the length of one side of the board? (MCC.8.EE.2) A. 100 ft b) 50 ft 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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