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What is the measure of ∠R ? Round your final answer to the nearest tenth, if necessary. 29.8° 33.5° 50.5° 53.7°
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1 vote
What is the measure of ∠R ?

Round your final answer to the nearest tenth, if necessary.

29.8°

33.5°

50.5°

53.7°

What is the measure of ∠R ? Round your final answer to the nearest tenth, if necessary-example-1
User Frederic Klein
by
6.2k points

2 Answers

5 votes

Answer:

Just took the quiz, the answer is "33.5" :)

What is the measure of ∠R ? Round your final answer to the nearest tenth, if necessary-example-1
User Kbyrd
by
5.8k points
3 votes
Using the Law of Sines (sina/A=sinb/B=sinc/C for any triangle)

sinR/30=sin96/54

sinR=30sin96/54

R=arcsin(30sin96/54)°

R≈33.5° (to nearest tenth of a degree)
User Mathakoot
by
6.6k points
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