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Midline Theorem Math 9.pptx
- 1. ERICK M. CABUTAJE Teacher LOGACNATIONAL HIGH SCHOOL
- 5. ACTIVITY DIRECTIONS: 1. Draw yourown triangle then cut it. 2. Fold your triangle at the center in such a way that the center line or midline is parallel to one of its sides or the third side. 3. Cut the triangle at the midline. 4. Shade the smaller triangle.
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- 8. Complete the following statements: DE = ______ AD = ______ AE = ______ 1 2 BC BD CE
- 9. Fill in theblanks. 1. If DE = 12, then AC = 2. If AC = 42, then DE = 3. If AD = 7, then AB = 4. If BC = 36, then BE = 5. If BD = 8 and EC = 9, then BA + CB = 24 21 14 18 34
- 11. If BE =12, then GO = 6 FALSE
- 12. If DE =13, then 1 2 DG = 13 TRUE
- 13. 51 If BE =17, then BE + OG = _____
- 14. 56 If OB =15, and GE = 13, then OD + GD = _____
- 15. 38 Given: BE =8 BD = 11 Question: How long is GO + BO?
- 16. Aling Mids hasa triangular farm in their province. The measures of the sides of the farm are 9m, 10m and 12m. She was offered to buy the remaining open lot adjacent to her farm which extends to two sides of her farm and doubling the measures of these two sides. If she will buy the lot and keep a triangular farm, can you tell the new perimeter of her farm using the original sides? Let’s Find It Out! 9 10 12 P = 18+ 20 + 24 = 62m
- 18. Solve the followingproblems:(3 pts each) 1. If LE = 19, then 1 2 LV = ________ 2. If BE = 21, then BE + UV = _______ 3. If BU = 17, and EV = 14, then LU + LV = ________ 5. If LE = 19, then EV = ________ 4. If LU = 56, then 1 2 BL = ________