# Using the Pythagorean Theorem, could #20#, #6# and #21# be the measures of the sides of a right triangle? Assume that the largest is the hypotenuse.

##### 1 Answer

Nov 22, 2015

No

#### Explanation:

The Pythagorean Theorem states that for a right angled triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides.

In our example, we find:

#20^2+6^2 = 400+36 = 436 != 441 = 21^2#