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Mathematics 7 Online
OpenStudy (anonymous):

The area of triangle A B C is twelvesquare centimeters. Each of the dimensions of triangle D E F is 3 times the dimension of triangle A B C. What is the area of triangle D E F? 4 square centimeters thirty-six square centimeters seventy-two square centimeters one hundred eight square centimeters

OpenStudy (anonymous):

OpenStudy (mathstudent55):

Let me show you an example. |dw:1394423304140:dw|

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