Triangle DEF has vertices located at D (2, 1), E (3, 5), and F (6, 2).

Part A: Find the length of each side of the triangle. Show your work. (4 points)

Part B: Find the slope of each side of the triangle. Show your work. (3 points)

Part C: Classify the triangle. Explain your reasoning. (3 points)

PLEASE ONLY ANSWER IF YOU KNOW IT AND USE YOUR OWN WORDS