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In ΔQRS, the measure of ∠S=90°, QR = 78 feet, and RS = 61 feet. Find the measure of ∠R to the nearest degree.
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24 votes
In ΔQRS, the measure of ∠S=90°, QR = 78 feet, and RS = 61 feet. Find the measure of ∠R to the nearest degree.

User RamKr
by
7.4k points

2 Answers

9 votes

Answer:

39

Explanation:

User Aprovent
by
7.7k points
8 votes

Answer: 38.551=39

cos

−1

(

78

61

​

)

=39

User Andy Taw
by
6.8k points
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