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10. In triangle ABC shown below, AB=AC, D is the midpoint of BC, E is the foot of the perpendicular drawn D to AC, and F is the midpoint of DE. Prove using vectors that AF is perpendicular to BE. A B D F E

10. In triangle ABC shown below, AB=AC, D is the midpoint of BC, E is the foot of the perpendicular drawn D to AC, and F is the midpoint of DE. Prove using vectors that AF is perpendicular to BE. A B D F E

Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter7: Triangles
Section7.5: Vectors: An Algebraic Approach Learning
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10. In triangle ABC shown below, AB=AC, D is the midpoint of BC, E is the foot of the perpendicular drawn D to AC, and F is the midpoint of DE. Prove using vectors that AF is perpendicular to BE. B O A E
Transcribed Image Text:10. In triangle ABC shown below, AB=AC, D is the midpoint of BC, E is the foot of the perpendicular drawn D to AC, and F is the midpoint of DE. Prove using vectors that AF is perpendicular to BE. B O A E
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