Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 3 - No. 18)
If you have a right triangle with sides of length 3 and 4, what is the length of the hypotenuse?
4
5
6
7
Giải thích
Using Pythagorean theorem, √(3^2 + 4^2) = 5