Civil Service Exam Reviewer · Ratio and Proportion · hard
Two similar rectangles have corresponding sides in the ratio 2 : 7. What is the ratio of their areas?
- 4 : 49
- 2 : 7
- 8 : 343
- 4 : 14
Answer
A. 4 : 49
Solution
For similar figures, areas scale as the square of the side ratio: 4 : 49.
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