What is a three sided shape called?

Answer 1

A triangle - It comes in three types -

1. the Equilateral triangle - all sides of equal length
2. the Isosceles triangle - two sides of equal length
3. the Scalene triangle - all sides of different length

Answer 2

If all sides are straight, then it is known as a triangle.

Answer 3

A three sided polygon is a triangle.

Answer 4

Triangle

Answer 5

A triangle.