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In RST, the measure of T=90°, RT=16, SR=65, and TS= 63. What is the value of

the cosine of S to the nearest hundredth?

In RST, the measure of T=90°, RT=16, SR=65, and TS= 63. What is the value of the cosine-example-1

1 Answer

3 votes

Answer: 0.97

Work Shown:

cos(angle) = adjacent/hypotenuse

cos(S) = TS/SR

cos(S) = 63/65

cos(S) = 0.969231

cos(S) = 0.97

Each decimal value is approximate. See the diagram below.

In RST, the measure of T=90°, RT=16, SR=65, and TS= 63. What is the value of the cosine-example-1
User Lucas Rodrigues
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