# What is the area of a triangle with sides of length 1, 3, and 2?

##### 1 Answer

Jan 31, 2016

Such a triangle Doesn't exist.

#### Explanation:

Any side of the triangle must be shorter than the other two sides added together(Triangle inequality theorem).

(3+2>1)correct!

(3+1>2)correct!

(2+1=3)wrong!

Students make this common mistake when they write answers or questions like this.