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In DeltaDEF,"line " PQ||"side" EF.DQ=1.8...

In `DeltaDEF,"line " PQ||"side" EF.DQ=1.8, QF=5.4,PE=7.2."find" DE.`

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The correct Answer is:
9.6 units
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CHETAN PUBLICATION-SIMILARITY -PROBLEMS FOR PRACTICE
  1. In the adjoining figure "seg " DHbot " seg " EF," seg " GKbot"seg " E...

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  2. The ratio of the areas of two triangles with equal height is 3 : 2 . T...

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  3. In DeltaDEF,"line " PQ||"side" EF.DQ=1.8, QF=5.4,PE=7.2."find" DE.

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  4. In DeltaPQR seg RS is bisector of anglePRQ.PS=6, SQ=8,PR=15. Find QR.

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  5. In DeltaXYZ, XY=YZ. "Ray YM bisects" angleXYZ. X-M-Z prove that M is ...

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  6. In the adjoining figure , seg ML || seg BC , seg NL || seg DC. Prove t...

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  7. squareABCD is a trapezium in which AB|| DC and its diagonals intersect...

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  8. Point D and E are the points on sides AB and AC such athat AB = 5.6 , ...

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  9. In DeltaPQR , ray QS bisects of anglePQR.P-S-R. Show that (A(DeltaP...

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  10. In the adjoining figure , seg PQ || AB. Seg PR || seg BD. Prove that ...

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  11. In the adjoining figure , "seg " PA , "seg " QB , "seg " , RC and "s...

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  12. A vertical pole of a length 6 m casts a shadow of 4 m long on the grou...

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  13. In DeltaABC,AB=5,BC=6,AC=7.DeltaPQR~DeltaABC. "Perimeter of" DeltaPQR"...

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  14. In DeltaABC,angleB=90^(@),"seg "DEbot"side " AC. AD=6,AB=12, AC=18, ...

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  15. E is a point on side CB,C-B-E, "In" DeltaABC,AB=AC. "If seg " AD,BC,B...

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  16. D is a point on side BC of DeltaABC such that , angleADC=angleBAC. S...

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  17. In DeltaRES,RE=15,SE=10."In" DeltaPEA,PE=8,AE=12."Prove that" DeltaRES...

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  18. In the adjoining figure "seg "Cebot" side " AB, " seg" AD bot" side " ...

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  19. In the adjoining figure , if DeltaABN~=DeltaACM " show that" DeltaAM...

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  20. Let X be any point on side BC of DeltaABC seg XM || side AB and seg XN...

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