# ABC is a Right Triangle ,right angled at B. C(o,r) is the incircle and o is the incenter of the triangle.AB=5,BC=12,what is the radius of incircle?

##### 2 Answers

May 17, 2018

**Radius of the incircle is** **unit**

#### Explanation:

In Right Triangle the legs are

Then hypotenuse is

In Right Triangle incircle radius is

Radius of the incircle is

May 17, 2018

#### Explanation:

Observe that, the **hypotenuse**

From **Trigonometry,** we know that,

Here,

as **Respected Binayaka C.** has **readily derived!**