# A triangle has sides A, B, and C. The angle between sides A and B is #(pi)/2# and the angle between sides B and C is #pi/4#. If side B has a length of 3, what is the area of the triangle?

##### 1 Answer

Dec 17, 2017

#### Explanation:

Note that the sum of all angles in a triangle must be

The remaining angle is

Also note that triangle

The area of a triangle given the base and height is

Therefore, the area of the triangle is