In the given figure, AB and DE are perpendicular to BC.
(i) Prove that ΔABC ~ ΔDEC
(ii) If AB = 6 cm DE = 4 cm and AC = 15 cm. Calculate CD.
(iii) Find the ratio of the area of ΔABC : are a of ΔDEC
ML Aggarwal Avichal Publication class 10, similarity chapter 13.3, question no 8