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Triangles — quick quiz

5 SZF IOM-pattern questions on Triangles. Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 5

Hard

Two triangles ABC and DEF are similar with AB = 6 cm, BC = 8 cm, AC = 10 cm and DE = 9 cm. If the ratio of their areas is k, what is the value of k?