How do you find the area of the triangle given #C=84^circ30', a=16, b=20#?

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Answer 1 · 2017-11-09T11:02:15

The area is #A~~159.26#. See explanation.

If you have 2 sides of a triangle and the angle between them given, you can calculate the area using:

#A=1/2absinalpha#

Here you get:

#A=1/2*16*20*sin84^o30^'~~160*0.995~~159.26#