Activity No. 1 Refer to the figure below then, fill-in the missing REASONS to justify the given statements. N Given: AHNS, O is the midpoint of HN, E is the midpoint of NS 2 E Prove: OE || HS, OE -HS H Proof: Statements Reasons 1. AHNS, O is the midpoint of HN, E is the mid- 1. point of NS 2. In a ray opposite EO, there is a point T such 2. In a ray, point at a given distance from the that OE ET endpoint of the ray. 3. EN ES 4. 22 23 5. 5. AONE S ATSE AONE S ATSE 6. 6. Z1 24 7. 7. HN || ST 8. 8. OH = ON 9. 9. ONTS 10. 10. OH ST 11. 11. Quadrilateral HOTS is a parallelogram. 12. 12. OE|| HS 13. 13. OE + ET = OT 14. OE OE = OT 15. 15. 20E = OT 16. 16. HS OT 17. 17. 20E - HS 18. 1 18. OB = -HS (The segment joining the mid- points of two sides of a triangle is half as long as the third side.) Mathematics 9-Q3 Workshee​