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6 votes
6 votes
Right Triangle QuizSolve for x. Round your answer to the nearest tenth.25A21X=Calculator

Right Triangle QuizSolve for x. Round your answer to the nearest tenth.25A21X=Calculator-example-1
User Olorin
by
3.4k points

1 Answer

13 votes
13 votes

In this case we need the cos function:


\cos x=(21)/(25)=0.84

Now we use the inverse function of cos:


\begin{gathered} x=\cos ^(-1)0.84 \\ x=32.86 \end{gathered}

So the angle x is 32.9 degrees

User Morph
by
2.6k points
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