PDF chapter test TRY NOW

In right triangle ABC, right angled at C, M is the mid-point of hypotenuse AB. C is joined to M and produced to a point D such that DM = CM. Point D is joined to point B.
 
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Show that:
 
(i) ∆ AMC ≅ ∆ BMD
 
(ii) ∠DBC is a right angle.
 
(iii) ∆ DBC ≅ ∆ ACB
 
(iv) CM =  \frac{1}{2} AB
 
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