The length of one leg of a right triangle is 21 ft and the length of the hypotenuse is 29 ft. What is the length of the other leg?

The length of the other leg is 20 ft. a^2 x b^2 = c^2 21^2 x b^2 = 29^2 441 x b^2 = 841 b^2 = 841-441 b^2 = 400 b = [latex] \sqrt{400} [/latex] b = 20