Laws

From which law directly follows the validity of Pythagoras' theorem in the right triangle?


« Correct result



Wrong answer

Step-by-step explanation:

c2 = a2 + b2  2ab cos γ  γ = 90°  cos 90° =0 c2 = a2 + b2  2ab cos 90° c2 = a2 + b2  2ab   0 c2 = a2 + b2



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Tips for related online calculators
The Pythagorean theorem is the base for the right triangle calculator.
Cosine rule uses trigonometric SAS triangle calculator.
See also our trigonometric triangle calculator.

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planimetricsUnits of physical quantitiesthemes, topicsGrade of the word problem

 
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