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  • 12-01-2018
  • Mathematics
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how to determine the length of RS to the nearest tenth of a centimetre

how to determine the length of RS to the nearest tenth of a centimetre class=

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  • 12-01-2018
sin 39 = 8.9 / RT

RT  = 8.9 / sin 39 = 14.14

cos 54 = RS /  14.14

RS = 14.14 * cos 54 =  8.3 cm  Answer
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