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4.2.2 Determine the area of AADB in terms of h and B. QUESTION 5 In the diagram below. two concentric circles with centre O are drawn. Chord BDE of the larger circle has a length of 24 cm and is a tangent to the smaller circle at D. The radius of the smaller circle is 5 cm. AB is the diameter of the larger circle. 5.1 Calculate the length of OB. 5.2 Show that OD #AE. (4) ུ Answer
Page 5 of 6 5 cm D 24 cm+ [16] 161 151
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