Problem 74 of 7
Find trig ratios from similar right triangles with data right triangle with opposite 20, adjacent 21, hypotenuse 29.
Using a hint is okay. It just tells the trainer to give you a little more review.
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recognize equal ratios across scale.
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Recognize equal ratios across scaled similar right triangles.
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Your answer is equivalent to the expected form.
Walkthrough
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1. Identify corresponding sides in similar right triangles.
2. Choose the reference angle.
3. Write and simplify sine, cosine, or tangent ratios.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Changing ratios because the triangle is scaled.