0 (= a statement that in a right triangle (= a triangle with a 90° angle) the square of the length of the side opposite the 90° angle is equal to the squares of each of the other two sides added together)
1 a statement that in a right triangle (= triangle with a 90° angle) the square (= number obtained by multiplying a number by itself) of the length of the side opposite the 90° angle is equal to the squares of each of the other two sides added together
