## Circumcentre of a Triangle

**How to Find the Circumcentre of a Triangle**

**What You Start With**

Shown above is a triangle of any size that i am going to find the circumcentre of.

**Circumcentre of a Triangle -**The circumcentre of a triangle is found by bisecting the length of each side and extending the bisector until they all meet. They will all meet at the same point . This point is called the circumcentre.

The Circumcentre can be outside of the triangle on occasions but the same principles are used.

## Circumscribe a Triangle

A common question you will be asked in Technical Graphics is to circumscribe a triangle. This simply means to find the circumcentre of the triangle and to draw the circumcircle. This is not to be confused with Inscribing a triangle.

Once you have the circumcentre of the triangle, if you take the radius form the circumcentre to any point of the triangle you will we able to draw a circle that will enclose the triangle, touching only at the three vertices. This circle is called the circumcircle.

**Circumcentre of a Triangle Interactive**