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Nata [24]
3 years ago
15

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.

Mathematics
2 answers:
harina [27]3 years ago
3 0

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!

:)  

Vlada [557]3 years ago
3 0
BC=AB x sinA=2.7 x sin64'=2.4

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