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In DeltaPQR the straight line parallel t...

In `DeltaPQR` the straight line parallel to `QR` intersects the sides `PQ` and `PR` at the points `E` and `F` respectively. If `EQ=2PE` and `FR=PF+3`, then the length of `PR` is

A

`1` unit

B

`3` units

C

`6` units

D

`9` units

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CALCUTTA BOOK HOUSE-SIMILARITY-Exercise 5.1
  1. A girl of height 90cm is walking away from the foot of a lamp-post at ...

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  2. In the figure beside , DeltaODC~DeltaOBA, /BOC=125^(@) and /CDO=70^(@)...

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  3. In DeltaPQR the straight line parallel to QR intersects the sides PQ a...

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  4. In the DeltaPQR, a straight line parallel to QR intersects the sides P...

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  5. In DeltaPQR, PQ=24cm, PR=32cm and PS is the bisector of /QPR, where QS...

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  6. In DeltaABC, (AB)/(AC)=(BD)/(DC). If /B=70^(@) and /C=50^(@) , then /B...

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  7. In DeltaABC, D and E are two such points on the sides AB and AC respec...

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  8. In DeltaABC the straight line DE parallel to BC intersects the other t...

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  9. In DeltaABC, a straight line parallel to BC intersects the sides AB an...

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  10. The straight line parallel to the side BC of DeltaABC intersects the s...

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  11. If a straight line divides any two sides (or their extended sides) of ...

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  12. If two or more than two triangles be equiangular and the ratios of the...

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  13. If the shapes and sizes of two or more than two triangles be the same,...

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  14. A straight line parallel to any side of any triangle divides other two...

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  15. PQRS is a trapezium of which PS||QR. Its two diagonals PR and QS inter...

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  16. In DeltaABC a straight line parallel to BC intersects the sides AB and...

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  17. The line segments AB and PQ intersect each other at the point C. AP an...

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  18. In DeltaPQR, /QPR=90^(@) and PDbotQR. If PR=8cm and PQ=6cm, then find ...

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  19. In trapezium PQRS, PQ||SR. If PQ=6cm, SR=9cm and QS=15cm and the point...

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  20. In trapezium PQRS, PQ||SR. If PQ=4 units , SR=6units . If the diagona...

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