A student is asked to find the length of the hypotenuse of a right triangle. The length of one leg is centimeters, and the length of the other leg is centimeters. The student incorrectly says that the length of the hypotenuse is centimeters. Answer parts a and Find the length of the hypotenuse of the right triangle to the nearest tenth of a centimeter. The length of the hypotenuse of the right triangle to the nearest tenth of a centimeter is
42.5
42.5 cm.
(Round to the nearest tenth as needed.)
What mistake might the student have made?
A.
found the difference of the square roots of the lengths of the legs.
B.
took the square root of the sum of the lengths of the legs.
C.
found the sum of the square roots of the lengths of the legs.
D.
took the square root of the difference of the lengths of the legs.