In a right triangle, if the side opposite the angle is 3 and the hypotenuse is 5, what is sin(angle)?

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Study for the PSAT 8/9 Math Test. Practice with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

In a right triangle, if the side opposite the angle is 3 and the hypotenuse is 5, what is sin(angle)?

Explanation:
The sine of an angle in a right triangle is the length of the side opposite the angle divided by the length of the hypotenuse. With the opposite side measuring 3 and the hypotenuse measuring 5, sin(angle) = 3/5. This value is sensible (less than 1) and matches the given measurements, so the sine is 3/5.

The sine of an angle in a right triangle is the length of the side opposite the angle divided by the length of the hypotenuse. With the opposite side measuring 3 and the hypotenuse measuring 5, sin(angle) = 3/5. This value is sensible (less than 1) and matches the given measurements, so the sine is 3/5.

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