Asked by Sarah
If the length and the width of a rectangle are doubled, its area is increased by what percent?
Answers
Answered by
Reiny
old area = lw
new area = (2l)(2W) = 4lw
which is an increase of 400% (four times as much)
new area = (2l)(2W) = 4lw
which is an increase of 400% (four times as much)
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