Given figure. D, E are midpoints of the sides of ∆ABC.1. BC = 12, DE = ______ 2. DE = 2x, BC = x + 10, DE = ______ 3. DE = x – 4, BC = x + 12, BC = ______

Question

4. DE = x + 2, BC = 1 2 x + 19, DE = ______

5. DE = 8, BC = ________

Answer 1