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A area of a square is 25 cm2. What is the formula that shows the length of side b. ( the b is on all of the sides)

area and perimeter.

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Vivian L. | Microsoft Word/Excel/Outlook, essay composition, math; I LOVE TO TEACHMicrosoft Word/Excel/Outlook, essay comp...
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Hi Rosa;
(b)(b)=25 cm2
b2=25 cm2
√(b2)=√(25 cm2)
b= 5 cm
Please note the square root of 25 was taken, as well as the square root of cm2.
 
Perimeter=4b
Perimeter=4(5 cm)
Perimeter=20 cm