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Length of the dark line given in the dia...

Length of the dark line given in the diagram

A

`sqrt(l^2+b^2)`

B

`sqrt(l+b+h)`

C

`sqrt(l^2+b^2+h^2)`

D

`sqrt((l+b+h)^2)`

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BEYOND PUBLICATION-PAIR OF LINEAR EQUATIONS IN TWO VARIABLES-EXERCISE
  1. The value of 'x' in the equation 3x-(x-4)=3x+1 is………

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  2. The sum of squares of two consecutive positive even numbers is 340, th...

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  3. Length of the dark line given in the diagram

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  4. 500x+240y=8,130x+240y=(43)/(10) then x=………..

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  5. The pair of equations a1x+b1y+c1=0" and "a2x+b2y+c2=0 are consistent, ...

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  6. Sita has pencils and pens which are together 40 in number. If she has ...

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  7. The lines represented by 5x+7y-14=0 and 10x+3y-8=0 are …………lines.

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  8. The standard form of a linear equations is………

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  9. The lines 3x+8y-13=0 and -6x-16y+23=0 are………lines.

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  10. The lines represented by 5x+3y-7=0 and 6y+10x-14=0 are………lines.

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  11. The pairs of equations 4x-2y+6=0 and 2x-y+8=0 has………solutions.

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  12. The number of solutions to the pair of equations 6x-7y+8=0 and 12x-14y...

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  13. The number of solutions to the pair of equations 11x-7y=6 and 4x+9y=8 ...

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  14. If the pair of equations kx+14y+8=0 and 3x+7y+6=0 has a unique solutio...

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  15. a1x+b1y+c1=0" and "a2x+b@y+c2=0 are……..equations.

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  16. If (a1)/(a2)=(b1)/(b2)=(c1)/(c2) then the lines will have………solutions.

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  17. 3x-2y+6=0,6x-4y+8=0 represents……….lines.

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  18. 5x-2y-10=0,10x-4y-20=0 these are………lines.

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  19. The number of solutions to 4x+6y-7=0 and 8x+5y-8=0 is………

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  20. (2)/(x)+(3)/(y)=2,(12)/(x)-(9)/(y)=3 then x=………

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