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Question

Trinagles ABC and DEF are similar.
(i) If area (ΔABC)=16cm2,area(ΔDEF)=25cm2 and BC = 2.3 cm find EF.
(ii) If area (ΔABC)=9cm2,area(ΔDEF)=64cm2 and DE=5.1 cm, find AB.
(iii) If AC = 19 cm adn DF = 8 cm, find the ratio of the area of two triangles.
(iv) If area (ΔABC)=36cm2, are (ΔDEF)=64cm2 and DE= 6.2 cm, find AB.
(v) If AB = 1.2 cm and DE=1.4 cm, find the ratio of the areas of ΔABC and ΔDEF.