Table of Contents
Does triangle have no diagonals?
Regular polygons A triangle has no diagonals. A square has two diagonals of equal length, which intersect at the center of the square.
How many diagonals does a triangle have?
Number of Diagonals Formula
| Shape | Number of sides, n | Number of Diagonals |
|---|---|---|
| Triangle | 3 | 3(3−3)/2 = 0 |
| Quadrilateral | 4 | 4(4−3)/2 = 2 |
| Pentagon | 5 | 5(5−3)/2 = 5 |
| Hexagon | 6 | 6(6−3)/2 = 9 |
Why does an equilateral triangle have no diagonals?
None – it is a figure with three sides and a diagonal is a line joining opposite angle vertices. The opposing angle vertices of a triangle have the triangle’s sides connecting them, which are sides, not diagonals. No Diagonals are there in a triangle . Hope it’s helpful.
Can a triangle have diagonals justify?
A triangle has zero diagonals. Diagonals must be created across vertices in a polygon, but the vertices must not be adjacent to one another. A triangle has only adjacent vertices.
What do you call a triangle with no equal sides?
Scalene. A scalene triangle has three different angles and none of its sides are equal in length.
How many diagonals does a triangle and a regular hexagon have?
A hexagon has 9 diagonals. A diagonal of a polygon is a line segment that runs from one vertex of the polygon to another vertex, excluding the sides…
Which angle is opposite of the longer leg in a 30 60 90 triangle?
60-degree angle
The hypotenuse is the longest side in a right triangle, which is different from the long leg. The long leg is the leg opposite the 60-degree angle. The figure illustrates the ratio of the sides for the 30-60-90-degree triangle. If you know one side of a 30-60-90 triangle, you can find the other two by using shortcuts.
How are the diagonals formed in a triangle?
Triangle does not have any diagonals. Diagonals are formed when the vertices of two non consecutive sides of a figure are joined. But in triangle there is no such pair.
What do you need to know about the diagonal?
To learn about diagonals, we must first know that: 1 It (diagonal) is a line segment. 2 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. 3 Vertex is a corner of the shape.
What is a diagonal line in a polygon?
A diagonal line is a line segment that connects the two vertices of a shape, which are not already joined by an edge. It does not go straight up, down or across. In other words, a diagonal is a straight line that connects the opposite corners of a polygon through its vertex.
How many sides does a triangle have in it?
Triangle has 3 sides. Finally we can say triangle has no diagonal. In a polygon, line segment joining any two vertices will be either side of the polygon or it will be the diagonal of the polygon.