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Triangles ABC and DEF are similar.

(i) If area (ΔABC) = 16 cm2,area (ΔDEF) = 25 cm2 and BC = 2.3 cm find EF.

(ii) If area (ΔABC) = 9 cm2 area (ΔDEF) = 64 cm2 and DE = 5.1 cm, find AB.

(iii) If  AC = 19 cm and DF = 8 cm, find the ratio between the areas of two triangles.

(iv) If area (ΔABC) = 36 cm2, area(ΔDEF) = 64 cm2 and DE = 6.2 cm, find  AB.

1 Answer

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Best answer

(i) We have area (ΔABC) = 16 cm2

area (ΔDEF) = 25 cm2 and

BC = 2.3 cm

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