harmony000011
24.05.2020 •
Mathematics
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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Ответ:
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!
:)
Ответ: