Question

If sides A and B of a triangle have lengths of 3 and 5 respectively, and the angle between them is `(pi)/3`, then what is the area of the triangle?

Answer 1

The area of the triangle is `(15*sqrt(3))/4`

Explanation:

The area of a triangle is equal to `1/2bcsina` where `b` and `c` are the lengths of sides, and `a` is the angle in between.