ariecheatom09996 ariecheatom09996
  • 24-05-2020
  • Mathematics
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In ΔABC, the measure of ∠C=90°, the measure of ∠A=64°, and AB = 2.7 feet. Find the length of BC to the nearest tenth of a foot.

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ronhagrid310
ronhagrid310 ronhagrid310
  • 24-05-2020

Answer:

Applying sine theorem for right triangle ABC, we have:

sin A = BC/AB

=> BC = AB x sin A = 2.7 x sin(64 deg) = ~2.4 (ft)

Hope this helps!

:)  

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pjshikongo
pjshikongo pjshikongo
  • 24-05-2020
BC=AB x sinA=2.7 x sin64'=2.4
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