Question

what is pythagorean theorem?

Answer 1

Here's you're Answer-

Square of Hypontaneous is equal to the sum of Square of its Base and Perpendicular

Answer 2

phythagorus theorem is a theorem for the right angle triangle.It menas the square of the hypotenuse is equal to the sum of the square of the other sides.
let,ABC be the right angle triangle.
then according to the Pythagorean theorem
if hypotenuse is AB then
AB^2=AC^2+BC^2