Question 652330
A triangle is a polygon made with {{{3}}} straight sides, and ii is a two-dimensional shape. So it doesn't have volume (volume measures 3D shapes), only area. 

a triangle has an {{{area = (1/2) b h}}} where {{{b}}} is length of the base and {{{h}}} is height, and  the perimeter {{{P=a+b+c}}}