SOLUTION: i need your help please? One side of a rectangle is 0.8 cm longer than an adjacent side. if each diagonal of the rectangle has length of 4 cm, find the dimensions of the triangle?

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Question 119172This question is from textbook
: i need your help please?
One side of a rectangle is 0.8 cm longer than an adjacent side. if each diagonal of the rectangle has length of 4 cm, find the dimensions of the triangle?
This question is from textbook

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
If one side is xcm the other side is x+%2B+.8cm
The diagonal is 4 cm
x%5E2+%2B+%28x+%2B+.8%29%5E2+=+4%5E2
solve for x