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.