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Triangle A B C is shown. Angle A C B is a right angle. The length of the hypotenuse is 20.

What additional information would be necessary to determine sin(A) without using the Pythagorean theorem? Explain.

User Rory Yorke
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2 Answers

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you would also need to know the opposite segment of the given angle because sine is equal to opposite over hypotenuse.
User Logard
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Answer:

The length of BC is needed because it is the side opposite ∠A

Explanation: