|
mean ? segments DE and BC are congruent segments DE and BC are parallel what do the black arrows ► ► ► ► If a segment (DE) is parallel to one side of a ∆ (BC) ► ► If a segment (DE) is parallel to one side of a ∆ (BC) Then it divides the other two sides (AC and AB) proportionally (one fraction equals another). ► ► If a segment (DE) is parallel to one side of a ∆ (BC) Then it divides the other two sides (AC and AB) proportionally (one fraction equals another). AD DC = AE EB ► ► If CB is parallel to DE, then DC AD − 10 = AE EB 5 − ► ► 4 10 5 8 = 4 8 If CB is parallel to DE, then DC AD − 8 = AE EB 6 − ► ► 3 6 8 4 = If CB is parallel to DE, then DC AD − 9 = AE EB 6 − ► ► 4 6 9 6 = If CB is parallel to DE, then DC AD − 15 = AE EB 10 − ► ► 8 10 15 12 = If CB is parallel to DE, then DC AD − 12 = AE EB 6 − ► ► 5 6 12 10 = If CB is parallel to DE, then DC AD − 6 = AE EB 4 − ► ► 6 4 3 = Cross Multiply to find the missing side. 3 If CB is parallel to DE, then DC AD − 8 = AE EB 4 − ► ► 8 4 6 = Cross Multiply to find the missing side. 6 If CB is parallel to DE, then DC AD − 10 = AE EB 4 − ► ► 10 4 5 = Cross Multiply to find the missing side. 5 If CB is parallel to DE, then DC AD − 10 = AE EB 8 − ► ► 10 8 7 = Cross Multiply to find the missing side. 7 If CB is parallel to DE, then DC AD − 10 = AE EB 6 − ► ► 10 6 7 = Cross Multiply to find the missing side. 7 The End The End The End The End The End The End The End |