In the given figure we have been given the length of sides AO=10 cm,OC=5 cm,AB=6.5 cm and OD=2.8 cm and we are to
(i) Prove that △OAB∼△OCD.
(ii) Find CD and OB
(iii) Calculate the ratio of areas of △OAB and △OCD
ML Aggarwal, Avichal Publication, class 10, Similarity, chapter 13.3, question no 5b