SOLUTION: The perimeter of a rectangle is 20, and its diagonal is √68. Find its dimensions and area.

Algebra ->  Rectangles -> SOLUTION: The perimeter of a rectangle is 20, and its diagonal is √68. Find its dimensions and area.       Log On


   

Question 987813: The perimeter of a rectangle is 20, and its diagonal is √68. Find its dimensions and area.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
system%282x%2B2y=20%2Cx%5E2%2By%5E2=68%29

system%28x%2By=10%2Cx%5E2%2By%5E2=68%29

x%5E2%2B%2810-x%29%5E2=68

x%5E2%2B100-20x%2Bx%5E2=68

2x%5E2-20x%2B32=0

x%5E2-10x%2B16=0
You finish from here.