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DeltaABC~DeltaDEF and their areas are re...

`DeltaABC~DeltaDEF` and their areas are respectively 64 `cm^2` and 121 `cm^2`. IF EF=15.4 cm., then find BC.

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The correct Answer is:
11.2 cm
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VGS PUBLICATION-BRILLIANT-SIMILAR TRIANGLES -CREATIVE BITS FOR CCE MODEL EXAMINATION
  1. DeltaABC~DeltaDEF and their areas are respectively 64 cm^2 and 121 cm^...

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  2. From the figure ,angle DAC……….

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  3. The ratio of the corresponding sides of two similar triangles is 5:3. ...

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  4. DeltaABC~DeltaDEF, BC=4cm, EF=5cm and area of DeltaABC=80cm^2 then are...

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  5. In the given figure, DE//BC and AD:DB=5:4, then (DeltaDEF)/(DeltaCFB)=

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  6. In the figure, DeltaABC is an isosceles triangle right angled at B. Tw...

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  7. In the figure, DE//BC and AD:DB=1:2 then DeltaADE:DeltaABC=

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

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  9. In the figure, DeltaPQR and DeltaSQR are two triangles on the same bas...

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  10. In DeltaPQR,PQ=6sqrt3cm, PR=12cm and QR=6cm , then angleQ=

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  11. The lengths of diagonals of a rhombus are 24 cm and 32 cm, then the pe...

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  12. Which of the following are not the sides of a right triangle?

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  13. In an isosceles DeltaPQR,PR=QR and PQ^2=2PR^2, then angleR=

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  14. In DeltaABC the midpoints are D,E and F of the sides AB,BC and CA, the...

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

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

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

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

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  19. In a right triangle

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

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

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