Question 1147595: One leg of a right triangle exceeds the other leg by 4 inches. The hypotenuse is 20 inches. Find the length of a longer leg. Answer by ikleyn(52776) (Show Source):
12, 16 and 20 inches.
Classic (3-4-5) Pythagorean right angled triangle.
Should be solved mentally in 5 seconds.
Algebra solution is also possible via equation
x^2 + (x+4)^2 = 20^2.
