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ABC and BDE are two equilateral triangle...

ABC and BDE are two equilateral triangles such that D is the mid-point of BC. Then ar (BDE)=`1/4` ar(ABC).

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MBD-Areas of Parallelograms and Triangles-Exercise
  1. Identify (a),(b) and (c)

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  2. Find x+y+z

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  3. If E, F, G and H are the mid-points of sides of a parallelogram ABCD t...

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  4. E is any point on median AD of DeltaABC. If ar (DeltaABE) = 10 cm^2 th...

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  5. In trapezium ABCD AB||DC. If ar (AOD) = 15 cm^2 then ar (BOC) is :

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  6. The median of a triangle divides it into two

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  7. In which of the following figures , you find two polygons on the same ...

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  8. The figure obtained by joining the midpoints of the adjacent sides of ...

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  9. In Fig. the area of parallelogram ABCD is :

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  10. In Fig. If parallelogram ABCD and rectangle ABEF are of equal area,...

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  11. The mid-point of the sides of a triangle along with any of the vertice...

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  12. Two parallelograms are on equal bases andbetween the same parallels. T...

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  13. ABCD is a quadrilateral whose diagonal AC divides it into two parts, e...

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  14. If a triangle and a parallelogram are on the same base and between sam...

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  15. ABCD is a trapezium with parallel sides AB = a cm and DC = 6 cm E and ...

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  16. ABCD is a parallelogram and X is the mid-point of AB. If ar (AXCD) = 2...

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  17. PQRS is a rectangle inscribed in a quadrant of a circle of radius 13 c...

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  18. PQRS is a parallelogram whose area is 180 cm^2 and A is any point on t...

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  19. ABC and BDE are two equilateral triangles such that D is the mid-point...

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  20. Find x+y+z

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