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DeltaABC~DeltaDEF, BC=4cm, EF=5cm and ar...

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

A

105

B

165

C

125

D

none

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BEYOND PUBLICATION-SIMILAR TRIANGLES-EXERCISE
  1. The diagonal of a trapezium ABCD in which AB////CD intersect at'O' . I...

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  2. DeltaABC~DeltaDEF and 2AB=DE and BC=8cm then EF=……..cm.

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

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  4. In the figure PQR, angle QPR = 90^@, PQ =24 cm and QR = 26 cm and in t...

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  5. In the fiugre, QA bot AB and PB bot AB if AO = 20 cm, BO = 12 cm, PB =...

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  6. In the figure, angle A = angle B and AD = BE then …………..

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  7. In the figure, in /\PQR, QR////ST, (PS)/(SQ)=3/5 and PR=28 cm then PT=...

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  8. In an equilateral triangle ABC, ADbotBC meeting BC in D then AD^2=…………...

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  9. In the figures, if AB//CD then x = ………….cm.

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  10. IF the diagonals in a quadrilateral divide each other proportionally t...

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  11. In the figure, DE//AB and FE//DB thenDC^2= ……………….

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  12. D,E and F are the mid points of the sides BC, CA and AB respectivley o...

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  13. In the figure (PS)/(SQ)=(PT)/(TR) and anglePST=anglePRQ then DeltaPQR ...

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  14. Side of a rhombus is 4 cm then its perimeter is…………….cm.

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  15. In the figure, x=……………

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  16. Two sides of a right triangle are 3cm and 4cm then the third side is …...

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  17. triangle ABC ~ triangle PQR, AB : PQ = 3 : 4 then area triangle ABC : ...

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  18. IF 8^2+15^2=k^2 then k=…………..

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  19. The angles of a triangle arc in the ratio 1:2:3 then the largest angle...

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  20. Straight angle means………..

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