The length of the unknown leg of the triangle is 2 cm. (Type an integer or a decimal.) What mistake might the student have made? OA. He subtracted the two given values. OB. He did not square the length of the hypotenuse. OC. He added the two given values. O D. He did not square the length of the given leg.​

The length of the unknown leg of the triangle is 2 cm Type an integer or a decimal What mistake might the student have made OA He subtracted the two given value class=