A right triangle has legs 9 cm and 12 cm. What is the length of its hypotenuse?
Note
Use the Pythagorean theorem: leg² + leg² = hypotenuse². Here 9² + 12² = 81 + 144 = 225, so the hypotenuse is 15 cm.
A right triangle has legs 9 cm and 12 cm. What is the length of its hypotenuse?
Use the Pythagorean theorem: leg² + leg² = hypotenuse². Here 9² + 12² = 81 + 144 = 225, so the hypotenuse is 15 cm.