Problem 44972. Area of Triangle with Oblique Coordinates

David Hill

12 solvers

2 likes

Solve

Solve Later

Find area of triangle given points p1, p2, and p3 where the y-axes is w degrees counter clockwise from the x-axes.
For example:
p1=[1 2];
p2=[4 5];
p3=[-3 -8];
w=30;
area=4.5;%output

Solve

Solution Stats

21 Solutions

Last Solution submitted on Oct 10, 2025

Last 200 Solutions

Problem Comments

1 Comment

Rafael S.T. Vieira on 6 Sep 2020

If someone is having trouble: the problem coordinates are given in the euclidean orthonormal basis, and we must find the area in the oblique space and not the other way around.

Solution Comments

Show comments

Problem Recent Solvers12

Suggested Problems

Remove the small words from a list of words.

1560 Solvers
Construct a string from letters and counts

147 Solvers
Set some matrix elements to zero

627 Solvers
Number Persistence

83 Solvers
Natural numbers in string form

1864 Solvers

More from this Author61

Bit Stream conversion to Audio Frequency Shift Key using Bell 202 (Modem)

3 Solvers
N-th Digit of all Write-Down Numbers

3 Solvers
Minimum, Maximum, and Number of Primitive Roots Modulo (m)

1 Solvers
All flights lead to Idaho Falls

5 Solvers
Compute the Ramanujan tau function for large numbers

2 Solvers

Problem Tags

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!