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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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1 Answer

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=4(5 cm)
Perimeter=20 cm