what is the area of a square whose sides are each 4 1/2 feet long?

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what is the area of a square whose sides are each 4 1/2 feet long?

a. 18 ft^2
b. 10.125ft^2
c. 20.25 ft^2
d. 9 ft^2

2007-04-18 04:29:50 · 4 answers · asked by lana l 1 in Science & Mathematics ➔ Mathematics

4 answers

area is side squared or. side times side

4 1/2 * 4 1/2
9/2 * 9/2
81/4-- or... 20 1/4 ft ^2 .. letter C!

2007-04-18 04:33:14 · answer #1 · answered by Jami 3 · 0⤊ 0⤋

You just need to square the length of the side. That is, multiply it by itself. (4.5 ft)^2 = (4.5 ft)*(4.5 ft) = (4.5*4.5) ft^2 = 20.25 ft^2, answer C.

2007-04-18 11:35:48 · answer #2 · answered by DavidK93 7 · 0⤊ 0⤋

4.5*4.5 = 18 + 2.25 = 20.25

The answer is c

2007-04-18 11:37:41 · answer #3 · answered by Kyrix 6 · 0⤊ 0⤋

it is c and c is 20.25ft2

2007-04-18 12:29:39 · answer #4 · answered by Andrew N 2 · 0⤊ 0⤋