# Given a right triangle with Angle A=25 deg, Angle C=90 Degrees, and knowing the length of the leg opposite angle A equals 4 inches, how do I find the length of the base leg of the triangle?

##### 1 Answer

Jul 15, 2017

#### Explanation:

Label the vertices of the triangle as ABC.

Fill in all the angles.

The side you are looking for is AC.

In terms of

In terms of

We have an opposite and an adjacent side, so we will use the Tan or Cot ratio. (If you are unfamiliar with cot,

Tan is a preferred ratio because it is on a scientific calculator, while Cot is not.

Compare the following equations:

#" "AC = 8.58# inches

Both will give the same answer for AC, but the first one is simpler.