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In triangle ABC, the altitude from B is the perpendicular to side AC. If AC lies along the bottom and B is the top vertex with the foot of the perpendicular at point N on AC, then BN is perpendicular to ____.

Class 7Medians and AltitudesTriangles
  • AAC
  • BAB
  • CBC
  • Dthe median from B

Step-by-Step Solution

The altitude from B is drawn to the opposite side AC, so BN is perpendicular to AC.
Answer: A) AC

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