The area of the triangle pqr is 111.3 square units
How to determine the triangle area?
The complete question is added as an attachment
The area is calculated as:
[tex]A= 0.5 ab\sin(C)[/tex]
So, we have:
[tex]A= 0.5 * 12 * 20 * \sin(68)[/tex]
Evaluate the product
A= 111.3
Hence, the area of the triangle pqr is 111.3 square units
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