SOLUTION: suppose rectangles Q and R are similar. the dimension of rectangle Q are 8 cm and 20 cm. the area of rectangle R is 2250 square cm . what are the dimension of rectangle R?

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Question 498571: suppose rectangles Q and R are similar. the dimension of rectangle Q are 8 cm and 20 cm. the area of rectangle R is 2250 square cm . what are the dimension of rectangle R?
Answer by cleomenius(959) About Me  (Show Source):
You can put this solution on YOUR website!
The area of the smaller rectangle is 160 cm sq.
2250/160 = 14.065.
sqrt%2814.065%29 is our scale factor.
3.75 is our scale factor.
8 * 3.75 = 30, one dimension.
20 * 3.75 = 75, the other dimension.
30 cm *75 cm = 2250 cm.
This does check.
Cleomenius.