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8. In right triangle ABC, right angled at C,MisDthe mid-point of hypotenuse AB. C is joinedto M and produced to a point D such thatDM CM. Point D is joined to point B(see Fig. 7.23). Show that:G) LDBC is a right angle(ii) Δ DBC sa ACBFig. 7.23(iv) CMAB

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