miyakitty0642 miyakitty0642 18-05-2020 Mathematics contestada Why is it not possible to make a right triangle using lengths of 20 feet, 40 feet, and 65 feet? 20 + 40 is greater than 65. (20 + 40)2 does not equal 652 202 + 402 does not equal 652 65 - 40 does not equal 20.