Select the correct answer.

Which expression gives the area of triangle QRS?

A right triangle RSQ with base RQ of 9, hypotenuse RS of 15, and opposite QS of 11 with an angle at R of 20 degrees.

A. 1/2(11)(15) sin(20 degrees)
B. 1/2(9)(15) cos(20 degrees)
C. 1/2(9)(15) sin(20 degrees)
D. 1/2(11)(15) cos(20 degrees)

1 answer

C. 1/2(9)(15) sin(20 degrees)

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