Question

how many diagonal does a triangle have? explain!

Answer 1

triangles don't have any diagonals because diagonal is the straight line drawn between one angle and its opposite angle and in triangle there is no opposite angle of any angle in a triangle.

Answer 2

Answer:

A triangle has no diagonals. A square has two diagonals of equal length, which intersect at the center of the square. The ratio of a diagonal to a side is. A regular pentagon has five diagonals all of the same length

Hope it helps!