19
QuizMultiple Choice

Right Triangle Relationships and Trigonometry — Test

Question 19 • Geometry

The law of cosines for triangle RST can be set up as 5 squared is equal to 7 squared plus 3 squared minus 2 7 3 cosine cap s What could be true about triangle RST ? Law of cosines: A squared is equal to b squared plus c squared minus 2 b c cosine cap A

Answer
A
r is equal to 5 and t is equal to 7
B
s is equal to 5 and t is equal to 3
C
r is equal to 3 and t is equal to 3
D
s is equal to 7 and t is equal to 5
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