SAS triangle

The triangle has two sides, long 7 and 19, and makes included angle 110°42'.

Calculate the area of this triangle.

Correct answer:

S =  133.3

Step-by-step explanation:

a=19 b=15 γ=110.7°=110.7   S = 21 a h  h = b   sin γ  S=21 a b sinγ=21 a b sin110.7° =21 19 15 sin110.7° =21 19 15 0.935444=133.3

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