SOLUTION: the diagonal of a rectangle is 26 cm. If the length is 2.4 times the width. Find the area of thee rectangle.

Algebra ->  Rectangles -> SOLUTION: the diagonal of a rectangle is 26 cm. If the length is 2.4 times the width. Find the area of thee rectangle.      Log On


   

Question 705699: the diagonal of a rectangle is 26 cm. If the length is 2.4 times the width. Find the area of thee rectangle.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
length x, width y.
x=2.4y

Diagonal of 26 cm is hypotenuse of right triangle.
x%5E2%2By%5E2=26%5E2
%282.4y%29%5E2%2By%5E2=26%5E2
6.76y%5E2=676
y=10.
That means, x=240

Area for RECTANGLE is xy=2400 square cm's