Class 9 Maths Areas Parallelograms Triangles More triangle Properties

More triangle Properties

  • Area of a triangle is half the product of its base and the corresponding altitude. ar(ΔABC) = ½ * AB * EC, where EC is the height & AB is the base
  • A median of a triangle divides it into two triangles of equal areas. In the ΔABC below, FC is the median, thus ar(ΔAFC) = ar(ΔFBC).

 

 

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