THE CURVED SURFACE AREA OF A CONE WHOSE AREA OF BASE AND HEIGHT IS 154CM SQUARE AND 24CM SQUARES RESPECTIVELY
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They run from one end of the playground to the other end of the playground. They measure the time to complete the run. They repeat the run with umbrellas (a) Class 7 write down their results. no umbrella = 10 seconds with umbrella = 14 seconds no umbrella = 8 seconds with umbrella = 9 seconds no umbrella = 7 seconds with umbrella = 13 seconds no umbrella = 11 seconds with umbrella = 15 seconds Calculate the mean (average) times.
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therefore 550 cm² is your ans
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