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Class 10 Mathematics Medium Mcq English Medium

In this case, two similar triangles have corresponding sides in ratio 10:20. What is the ratio of their areas (first : second)?

Question
In this case, two similar triangles have corresponding sides in ratio 10:20. What is the ratio of their areas (first : second)?
100:400
30:20
400:100
10:20
Answer
100:400
Detailed Explanation
Areas of similar triangles are in the square of the ratio of corresponding sides. — Examisthan.com
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