how many diagonal in triangle
Answers
Answer:
triangles has no diagonal
Step-by-step explanation:
The number of diagonals of an n sided polygon is given by D
n
=
2n(n−3)
A triangle has 3 sides. So, n=3.
∴D3=3(3−3)/2=0
What is Diagonal?
A diagonal is a straight line connecting the opposite corners of a through its . To learn about diagonals, we must first know that:
A diagonal is a straight line
connectingthe opposite corners of a polygon through its vertex. ... It (diagonal) is a line segment. Polygons are plane figures having at least three sides and angles and usually, it is used to identify figures having five or more sides and angles
A diagonal line or movement goes in a sloping direction, for example, from one corner of a square across to the opposite corner. ... A diagonal is a line that goes in a sloping direction.