Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 7 - No. 50)
Which of the following describes the relationship between the sides of a right-angled triangle?
The square of the hypotenuse is equal to the difference of the squares of the other two sides.
The square of the hypotenuse is equal to the sum of the squares of the other two sides.
The hypotenuse is always equal to the sum of the other two sides.
The square of the hypotenuse is always less than the sum of the squares of the other two sides.
คำอธิบาย
Pythagoras' Theorem explains this relationship.