What is the Probability of Distances in an Equilateral Triangle?

In summary, the formula for calculating the probability of distances in an equilateral triangle is 1/3. This probability is not affected by the length of the sides or the position of the points, and it cannot be greater than 1/3. In comparison to other types of triangles, the probability of distances in an equilateral triangle is unique and cannot be compared.
  • #1
lfdahl
Gold Member
MHB
749
0
A point $P$ is chosen at random with respect to the uniform distribution in an
equilateral triangle $T$. What is the probability that there is a point $Q$ in $T$ whose distance
from $P$ is larger than the altitude of $T$?
 
Mathematics news on Phys.org
  • #2

Attachments

  • Triangle probability calculation.PNG
    Triangle probability calculation.PNG
    42.5 KB · Views: 73

FAQ: What is the Probability of Distances in an Equilateral Triangle?

What is the formula for calculating the probability of distances in an equilateral triangle?

The formula for calculating the probability of distances in an equilateral triangle is 1/3. This means that there is an equal chance of any distance being chosen as the longest, shortest, or middle distance within the triangle.

How is the probability of distances in an equilateral triangle affected by the length of its sides?

The probability of distances in an equilateral triangle is not affected by the length of its sides. As long as the triangle remains equilateral, the probability will always be 1/3.

Is the probability of distances in an equilateral triangle affected by the position of the points?

No, the probability of distances in an equilateral triangle is not affected by the position of the points. As long as the triangle remains equilateral, the probability will always be 1/3.

How does the probability of distances in an equilateral triangle compare to other types of triangles?

The probability of distances in an equilateral triangle is unique and cannot be compared to other types of triangles. In an equilateral triangle, all three sides are equal, which results in a 1/3 probability for each distance. In other types of triangles, the probability may vary depending on the lengths of the sides and angles.

Can the probability of distances in an equilateral triangle be greater than 1/3?

No, the probability of distances in an equilateral triangle cannot be greater than 1/3. This is because there are only three possible distances in an equilateral triangle, and each has an equal chance of occurring, resulting in a maximum probability of 1/3.

Similar threads

I Prove that a triangle with lattice points cannot be equilateral
Replies
1
Views
1K
I What is the name of the triangle centre point with 120° subtended vertices?
Replies
2
Views
726
MHB Prove Area of Equilateral Triangle
Replies
9
Views
2K
MHB Show that there are points Q,R on C such that the triangle PQR is equilateral.
Replies
1
Views
1K
MHB Distance between points in a triangle
Replies
1
Views
3K
MHB Please find the side length of an equilateral triangle
Replies
4
Views
2K
MHB What's the Probability That Area of MNP is ≥ Half of ABC?
Replies
6
Views
3K
MHB Proof Quest: Non-Equilateral Triangle Enclosing Point Z
Replies
3
Views
2K
MHB Find the area of an equilateral triangle
Replies
6
Views
2K
MHB [ASK] Find the volume of Pyramid in a Cube
Replies
6
Views
2K

Hot Threads

Recent Insights

Back
Top