The side lengths of △JKL are 60 cm, 80 cm, and 100 cm. Which formula can be used to show that △JKL is a right triangle?

60^2+1002=80260 squared plus 100 squared is equal to 80 squared

60^2+802=100260 squared plus 80 squared is equal to 100 squared

60^2−802=100260 squared minus 80 squared is equal to 100 squared

80^2−602=100280 squared minus 60 squared is equal to 100 squared