Problem 44972. Area of Triangle with Oblique Coordinates

David Hill

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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

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21 Solutions

Last Solution submitted on Oct 10, 2025

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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.

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