Which classification best represents a triangle with side lengths 6 cm, 10 cm, and 12 cm?
A
obtuse, because 6 squared plus 10 squared is less than 12 squaredB
obtuse, because 6 plus 10 is greater than 12C
acute, because 6 squared plus 10 squared is less than 12 squaredD
acute, because 6 plus 10 is greater than 12