Question

. If the perimeter of a square is multiplied by three, then the area will be ________ the original area. a. 1 4 times b. 1 9 times c. 9 times d. 4 times

Answer 1

Answer:

9 times

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Answer 2

Answer:

c] 9 times

Step-by-step explanation:

P = 4*S                             P = perimeter

P[new] = 4*S' = 4S'          S = side

P[new] = 3P                      A = area

therefore

4S' = 12S

S' = 3S

A = S²

A' = [S']²

A' = [3S]²

A' = 9A

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