# If sides A and B of a triangle have lengths of 1 and 2 respectively, and the angle between them is #(5pi)/8#, then what is the area of the triangle?

##### 2 Answers

May 3, 2018

A = 0.924

#### Explanation:

Remember that the equation for finding the area of a triangle is

1/2 ab sinC

So in this case the area is equal to: 1/2x1x2xsin(5

Which simply becomes sin(5

May 3, 2018

#### Explanation:

Formula for area of triangle = (1/2) b c sin A, knowing two sides and the included angle.