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Find the measure of angle R to the nearest tenth

Find the measure of angle R to the nearest tenth-example-1

2 Answers

4 votes
The angles add up to 180°
59+39=98
180-98=82°
User Eppz
by
7.9k points
5 votes

Answer:

b.

Explanation:

I am going to use the sin law to find the angle R. Applying sin law we have that


(sin(90))/(58) = (sin(R))/(37), then


sin(R) = (sin(90)*37)/(58) = (37)/(58) = 0.6379


R = sin^(-1)(0.6379) = 39.63\textdegree = 39.6\textdegree.

User Ylun
by
8.1k points

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