Reverse Pythagorean theorem

Given are the lengths of the sides of the triangles. Decide which one is rectangular:

Δ ABC: 77 dm, 85 dm, 36 dm Wrong answer
Δ DEF: 55 dm, 82 dm, 61 dm Wrong answer
Δ GHI: 24 mm, 25 mm, 7 mm Wrong answer
Δ JKL: 32 dm, 51 dm, 82 dm Wrong answer
Δ MNO: 51 dm, 45 dm, 24 dm Wrong answer





Did you find an error or inaccuracy? Feel free to write us. Thank you!







Tips for related online calculators
See also our right triangle calculator.
See also our trigonometric triangle calculator.

 
We encourage you to watch this tutorial video on this math problem: video1   video2

Related math problems and questions: