Back to Solve right triangles — Problem 2 · Task Set 21

Exercises: Solve Right Triangles in Applied Problems

Grade 9·20 problems·~28 min·Common Core Math - HS Geometry·standard·hsg-srt-c-8

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Recall / Warm-Up

Which equation correctly applies SOH-CAH-TOA to find the side labeled $x$ in a right triangle where the acute angle is $\theta$ , the hypotenuse is 10, and $x$ is the side opposite $\theta$ ?

$\cos(\theta) = \dfrac{x}{10}$

$\tan(\theta) = \dfrac{x}{10}$

$\sin(\theta) = \dfrac{x}{10}$

$\sin(\theta) = \dfrac{10}{x}$