Question 530552
the sides of a rectangle are in the ratio of 3:5 and the rectangles area is 135 sq cm. find the dimensions of the rectangle.
------
3:5 is the same as 3x:5x
----
Equation:
3x*5x = 135
15x^2 = 135
x^2 = 9
x = 3
----
Dimensions:
3x = 9 cm
5x = 15 cm
===============
cheers,
Stan H.