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Two figures are said to be on the same base and between the same parallels if they have a common base and their other vertices lie on a line parallel to the base. Such parallelograms have areas that are:

Class 9Areas — Figures on the Same BaseGeometry
  • Aequal
  • Bin the ratio 1:2
  • Calways unequal
  • Din the ratio 2:1

Step-by-Step Solution

Parallelograms on the same base and between the same parallels are equal in area (a basic theorem of Class 9).
Answer: A) equal

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