Two triangles are similar with sides in the ratio 3:5. What is the ratio of their areas?

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A3:5

B5:3

C9:25

D25:9

Answer:

For similar triangles, the ratio of their areas is the square of the ratio of corresponding sides.

Given side ratio = (3:5)

So area ratio:

3^2:5^2 = 9:25

Therefore, the ratio of their areas is 9 : 25.

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