Question

the number of diagonals in a triangle​

Answer 1

Answer:

A diagonal of a polygon is a line from a vertex to a non-adjacent vertex. So a triangle, the simplest polygon, has no diagonals. You cannot draw a line from one interior angle to any other interior angle that is not also a side of the triangle. A quadrilateral, the next-simplest, has two diagonals.

Answer 2

Answer:

a triangle, the simplest polygon, has no diagonals.

Step-by-step explanation:

because diagonal of a polygon is a line from a vertex to a non-adjacent vertex