A right triangle has legs 20 cm and 21 cm. What is the length of the hypotenuse?
Note
For a right triangle, square both legs and add them: 20² + 21² = 841. The hypotenuse is the square root of 841, so it is 29 cm.
A right triangle has legs 20 cm and 21 cm. What is the length of the hypotenuse?
For a right triangle, square both legs and add them: 20² + 21² = 841. The hypotenuse is the square root of 841, so it is 29 cm.