Mathematics
dcon76
13

Teresa measures the dimensions of her math book. It is 28 centimeters long and 21 centimeters wide. How can Teresa find the perimeter of her math book?

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(2) Answers
Dust2

The perimeter of a shape is its length+width+length+width, or 2L+2W :). So, in order to find the perimeter of Teresa's math book, she can add 2(28)+2(21). Hope I helped! :)

josephpolsen

it is length times width so you will have to do 2(28)+2(21)

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