PLEASE HELP ME In ΔABC, find the measure of ∡A rounded to the nearest tenth. Triangle ABC where angle C is a right angle. AB measures 36 point 7. BC measures 12 point 4. Measure of angle A is unknown.

asked Aug 18, 2019 42.8k views

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In the given triangle ABC,

$\sin A=(Perpendicular)/(Hypotenuse)=(CB)/(AB)=(12.4)/(36.7)=0.3378</p><p>A=\arcsin (0.3378)A=19.74^(\circ)$

Kary answered Aug 22, 2019

by Kary

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