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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`

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BEYOND PUBLICATION-SIMILAR TRIANGLES-EXERCISE
  1. The diagonal AC of a parallelogram ABCD intersects DP at the point Q,...

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  2. In the following figure, DE//BC then x =

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  3. The areas of two similar triangle are 25cm^2 and 36cm^2. IF the median...

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  4. In traingle ABC, AD bisects angle A, AB = 5 cm, BD = 8 cm and DC = 6 c...

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

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  6. In a right triangle

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

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

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  9. In the figure, D,E are mid-points of AB and AC then triangle ADE: squa...

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

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  11. In the figure, D,E are the midpoints of the sides AB and AC. If DE = 4...

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

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

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  14. All circles are……….

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  15. All squares are…….

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  16. What value(s) of x will make DE || AB, in the given figure ? AD...

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  17. In triangle ABC,DE | | AB and AD= 9 + 8x, DC = 3 + x, CB = 4 + 3x, E...

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  18. Find the height of an equilateral triangle of side x + 2.

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  19. In triangle ABC, angle C =angle 90 D is the mid point of BC, prove th...

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  20. A man goes 40 m due East and then 80 m due North. Find his distance fo...

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