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DeltaABC and DeltaBDE are two equilatera...

`DeltaABC` and `DeltaBDE` are two equilateral triangles such that D is the midpoint of BC. Ratio of the areas of triangles `DeltaABC` and `DeltaBDE` is

A

`2:1`

B

`1:2`

C

`4:1`

D

`2:3`

Text Solution

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The correct Answer is:
C
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VGS PUBLICATION-BRILLIANT-SIMILAR TRIANGLES -CREATIVE BITS FOR CCE MODEL EXAMINATION
  1. The areas of two similar triangle are 25cm^2 and 36cm^2. IF the median...

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  2. IN DeltaABC AD bisects angleA. AB=6cm, BD=8cm and DC=6cm then AC=……….....

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  3. DeltaABC and DeltaBDE are two equilateral triangles such that D is the...

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  4. In a right triangle

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  5. IF in two triangles , corresponding sides are in the same ratio then t...

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  6. IF DeltaABC~DeltaXYZ, angleC=60^@, angleB=75^@, then angleZ=

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  7. The areas of two similar triangles are 36cm^2 and 64cm^2. IF one side ...

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  8. In the figure, D,E are mid-points of AB and AC then DeltaADE:squareBCE...

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  9. The sides PQ and PR of right triangle PQR are such that PQ=5cm, PR=13c...

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  10. In the figure D,E are the midpoints of the sides AB and AC. IF DE=4cm,...

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  11. The height of an equilateral triangle whose side is a units is

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  12. In the figure , DE divides AB and AC in the ratio 1:3 IF DE=2.4 cm, th...

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  13. In the figure, AB=2.5cm, AC=3.5 cm. IF AD is the bisector of angleBAC,...

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  14. If the diagonal of a square is 7sqrt2 cm, then its area is

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  15. In the figure angleBAD=angleCAD, AB=3.4cm, BD=4cm, BC=10cm, then AC=

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  16. The diagonals of a rhombus are 24 cm and 32cm, then its perimeter is

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  17. DeltaABC~DeltaPQR, M is the midpoint of BC and N is the midpoint of QR...

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  18. All circles are……….

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  19. All squares are…….

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  20. All………….triangles similar.

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