A triangle has two sides measuring 16 and 21. The included angle is 116°. What is the length of the side opposite the 116° angle?

A triangle has two sides measuring 16 and 21 The included angle is 116 What is the length of the side opposite the 116 angle class=

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Answer:

The answer is B 18.5

Step-by-step explanation:

from SOHCAHTOA

SIN 116° = OPPOSITE / HYPOTENOUS

0.8987 = OPP / 21

OPP = 0.8987 X 21

          = 18.875