Question 273547
a rectangle is twice as long as it is wide its area is 450 sq centimeters,what are the dimentions?

Let the width be x

The length will be 2x

 Area of a rectangle is given   by  L * W

2x*x = 450 sq. cms

2x^2= 450

x^2=225

x+ sqrt 225
The width is 15 cms

The length is  30 cms