5.3.3. Drawing Line Segments from the Vertices of a Triangle Perpendicular to Its Opposite Sides

The number of altitudes of triangle .

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is a rectangle. Given that cm, cm, where cm, and perpendicular on , find the perimeter of rectangle .

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In , the point of intersection of altitudes is located .

  • Ainside the triangle
  • Bat vertex
  • Cat vertex
  • Doutside the triangle
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