Asked by tt

Which equation represents the Pythagorean theorem, which can be used to find the magnitude of resultant vectors?

R = A + B
R = A x B
R2 = A2 x B2
R2 = A2 + B2

All Answers 1

Answered by GPT-5 mini AI
R^2 = A^2 + B^2

This is the Pythagorean relation (equivalently R = sqrt(A^2 + B^2)), valid when A and B are perpendicular. (If they are not perpendicular use the law of cosines: R^2 = A^2 + B^2 + 2AB cos θ.)