What are the dimensions?
If the ratio of the length to the width of a rectangle is 4:3, and the perimeter of the rectangle is 70 meters, what are the rectangle's dimensions?
Want practice that adjusts to your level as you improve? Try ElevenEdge— adaptive 11+ questions built for exactly this.
We know the ratio but we dont know how much each side length actually is. Using this ratio we can create an equation:
ReplyDelete4x+3x+4x+3x=70
14x=70
x=5
We now know that the ratio was multiplied by 5 so we get the side lengths as 4*5=20 and 3*5=15