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E and F are the mid-points of the sides AB and DC of the parallelogram ABCD. If the area of the parallelogram EBFD be 20 sq.cm, then find the area of the `DeltaBCE`.

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CALCUTTA BOOK HOUSE-THEOREMS ON AREAS-EXERCISE-3
  1. P, Q, R and S are the mid-point of the sides AB, BC, CD and DA of the ...

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  2. If the length of the diagonals AC and BD of a rhombus ABCD be a cm and...

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  3. E and F are the mid-points of the sides AB and DC of the parallelogram...

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  4. The points B, C and R of the parallelograms ABCD and CPQR are collinea...

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  5. ABCD is a quadrilateral. AP is a line segment drawn through A and para...

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  6. AD is a medium of DeltaABC. If the area of DeltaACD be x sq.cm, then f...

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  7. Find the area of a parallelogram having base 15 cm and hight 8.2 cm.

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  8. The ratio of the base and height of a triangle is 7 : 6, the sum of it...

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  9. O is any point inside the equilateral triangle ABC. The perpendicular ...

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  10. Find the co ordinate on the Y axis cut by the straight line 2x+3y=12

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  11. The area of the parallelogram ABCD is 44 sq.cm. P is the mid-point of ...

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  12. A square and a rhombus stand on the same base of length 10 cms. Show t...

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  13. In the isosceles DeltaABC, AB = AC , O is any point on the side BC. OP...

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  14. In the trapezium ABCD, AB || DC. The diagonals AC and BD of it interse...

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  15. Prove that the line segment joining the mid-points of the lateral side...

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  16. Side of a equilateral triangle is 7 ,find its hight.

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  17. If a square and a rhombus lie on the same base, then find logically wh...

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  18. Prove that the area of a rhombus is half the area of the rectangle pro...

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  19. D, E and F are the mid-points of the sides AB, BC and CA of the DeltaA...

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  20. If E be the mid-point of the median AD of DeltaABC, then prove that De...

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