![]() Therefore the height of the cliff:: 2 x 84.02 = 168.04.In part (b), the most observed weakness was their inability to convert from minutes to hours. Candidates were expected to draw the diagram. ![]() A few others were unable to apply the trigonometric ratios correctly. Furthermore, the report stated that in part (a), majority of the candidates could not draw the diagram correctly and this affected their performance significantly. ANSWER This question was also reported to have been attempted by majority of the candidates. Two motorists set out at the same time from P to Q atsteady speeds of 60km/hand 80km/h.The faster motorist got to Q 30 minutes earlier than the other. If the boat is 120 m from the foot of the cliff, calculate the height of the cliff.(b) TownsPand Q arexkmapart. Question2(a) The angle of depression of a boat from the mid-point of a vertical cliff is 35°.
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