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If DeltaA B C~DeltaD E Fand their areas...

If `DeltaA B C~DeltaD E F`and their areas be, respectively, `64c m^2`and`121c m^2`. If EF = `15.4 cm`. find BC.

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The correct Answer is:
`11.2 cm`
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EDUCART PUBLICATION-TRIANGLES-SHORT ANSWER (SA-I) TYPE QUESTIONS
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  2. If DeltaA B C~DeltaD E Fand their areas be, respectively, 64c m^2and1...

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  3. In the adjoining figure, D E is parallel to B C and A D=1c m , B...

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  7. In figure, BD an CE interesct each other at point P. is triangle PBC -...

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  8. In DeltaPQR and DeltaMST, angleP=55^(@),angleQ=25^(@),angleM=100^(@)an...

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  9. In figure ABC and DBC are two triangles on the same base BC. If AD in...

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  10. See the given figure. In DeltaABC," seg "ADbot" seg "BC. Prove that: A...

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  11. Two sides and the perimeter of one triangle are respectively three tim...

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  12. If in two right triangles, one of the acute angles of one triangle is ...

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  13. D is a point on side QR of DeltaPQR such that PDbotQR. Will it be corr...

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  14. In Figure D E A C and D C a pdot Prove that (B E)/(E C)=(B C)/(C P)

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  15. Is it true to say that, if in two triangles, an angle of one triangle ...

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  16. In an equilateral triangle, prove that three times the square of on...

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  17. PE = 4 m, QE = 4.5 m, PF = 8 m and RF = 9 m. Is EF |\| QR? Justify ...

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  18. Given that PQ = 16 m, KB = 16 m, PH = 35 m and QK = 20 m, Find: ...

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  19. Given that PQ = 16 m, KB = 16 m, PH = 35 m and QK = 20 m, Find HK

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  20. triangle ABC - triangle DEF such that DE = 3 cm, EF = 2 cm, DF = 2.5 ...

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