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Number of Triangles is the total count of triangles that can be formed by using a given set of collinear and non-collinear points on a plane. Check FAQs
NTriangles=C(n,3)-C(m,3)
NTriangles - Number of Triangles?n - Value of N?m - Value of M?

Number of Triangles formed by joining N Points out of which M are Collinear Example

With values
With units
Only example

Here is how the Number of Triangles formed by joining N Points out of which M are Collinear equation looks like with Values.

Here is how the Number of Triangles formed by joining N Points out of which M are Collinear equation looks like with Units.

Here is how the Number of Triangles formed by joining N Points out of which M are Collinear equation looks like.

55Edit=C(8Edit,3)-C(3Edit,3)
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Number of Triangles formed by joining N Points out of which M are Collinear Solution

Follow our step by step solution on how to calculate Number of Triangles formed by joining N Points out of which M are Collinear?

FIRST Step Consider the formula
NTriangles=C(n,3)-C(m,3)
Next Step Substitute values of Variables
NTriangles=C(8,3)-C(3,3)
Next Step Prepare to Evaluate
NTriangles=C(8,3)-C(3,3)
LAST Step Evaluate
NTriangles=55

Number of Triangles formed by joining N Points out of which M are Collinear Formula Elements

Variables
Functions
Number of Triangles
Number of Triangles is the total count of triangles that can be formed by using a given set of collinear and non-collinear points on a plane.
Symbol: NTriangles
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Value of N
Value of N is any natural number or positive integer that can be used for combinatorial calculations.
Symbol: n
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Value of M
Value of M is any natural number or positive integer that can be used for combinatorial calculations, which should always be less than value of n.
Symbol: m
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
C
In combinatorics, the binomial coefficient is a way to represent the number of ways to choose a subset of objects from a larger set. It is also known as the "n choose k" tool.
Syntax: C(n,k)

Other Formulas to find Number of Triangles

​Go Number of Triangles formed by joining N Non-Collinear Points
NTriangles=C(n,3)

Other formulas in Geometric Combinatorics category

​Go Number of Chords formed by joining N Points on Circle
NChords=C(n,2)
​Go Number of Rectangles in Grid
NRectangles=C(NHorizontal Lines+1,2)C(NVertical Lines+1,2)
​Go Number of Rectangles formed by Number of Horizontal and Vertical Lines
NRectangles=C(NHorizontal Lines,2)C(NVertical Lines,2)
​Go Number of Straight Lines formed by joining N Non-Collinear Points
NStraight Lines=C(n,2)

How to Evaluate Number of Triangles formed by joining N Points out of which M are Collinear?

Number of Triangles formed by joining N Points out of which M are Collinear evaluator uses Number of Triangles = C(Value of N,3)-C(Value of M,3) to evaluate the Number of Triangles, The Number of Triangles formed by joining N Points out of which M are Collinear formula is defined as the total count of triangles that can be formed by using a given set of collinear and non-collinear points on a plane. Number of Triangles is denoted by NTriangles symbol.

How to evaluate Number of Triangles formed by joining N Points out of which M are Collinear using this online evaluator? To use this online evaluator for Number of Triangles formed by joining N Points out of which M are Collinear, enter Value of N (n) & Value of M (m) and hit the calculate button.

FAQs on Number of Triangles formed by joining N Points out of which M are Collinear

What is the formula to find Number of Triangles formed by joining N Points out of which M are Collinear?
The formula of Number of Triangles formed by joining N Points out of which M are Collinear is expressed as Number of Triangles = C(Value of N,3)-C(Value of M,3). Here is an example- 56 = C(8,3)-C(3,3).
How to calculate Number of Triangles formed by joining N Points out of which M are Collinear?
With Value of N (n) & Value of M (m) we can find Number of Triangles formed by joining N Points out of which M are Collinear using the formula - Number of Triangles = C(Value of N,3)-C(Value of M,3). This formula also uses binomial coefficient function(s).
What are the other ways to Calculate Number of Triangles?
Here are the different ways to Calculate Number of Triangles-
  • Number of Triangles=C(Value of N,3)OpenImg
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