We have two sides a and b and an angle C in this case we can use the next formula to find the area of the given triangle
[tex]A=\frac{1}{2}ab\sin C[/tex]
a=10
b=11
m
we substitute the values
[tex]A=\frac{1}{2}(10)(11)\sin (146)=30.76[/tex]
The area of the triangle is 30.76
ANSWER
Area=30.76
