SOLUTION: A rectangle has an area of 98 cm2. It length is double its width. How wide is it?

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Question 718861: A rectangle has an area of 98 cm2. It length is double its width. How wide is it?
Answer by lwsshak3(11628)   (Show Source): You can put this solution on YOUR website!
A rectangle has an area of 98 cm2. It length is double its width. How wide is it?
let W=width
2W=length
area=length*width
98=2W*W=2W^2
W^2=98/2=49
W=√49=7
How wide is rectangle=7 cm

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