# 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/12#. If side B has a length of 7, what is the area of the triangle?

##### 1 Answer

Feb 4, 2016

#### Explanation:

It is a right triangle with catheti

Knowing the length of

Since

it follows that

Area of a triangle is

The latter can be simplified using a formula

from which follows:

Therefore, the area of a triangle is