tytianadyson74
26.06.2019 •
Mathematics
Asquare 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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Ответ:
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
Ответ: