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Find x+y+z

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Find lambda and mu so that the simultaneous equations x+y+z= 6, x + 2y + 3z = 10, x + 2y + lambda z = mu have infinite number of solutions.

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MBD-Triangles-Exercise
  1. In Fig. , PQR is a triangle, S is any point in its interior, show tha...

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  2. In Fig. , AB > AC, show that AB > AD.

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  3. Find x+y+z

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  4. Diagonals PR and QS of a quadrilateral PQRS intersect each other at O....

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  5. Diagonals PR and QS of a quadrilateral PQRS intersect each other at O....

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  6. In Fig. , AP is the shortest line-segment that can be drawn from A t...

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  7. If two sides of a triangle are unequal, then larger side has a smaller...

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  8. If two angles of a triangle are unequal, then greater angle has the la...

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  9. Sum of any two sides of a triangle is greater than the third side.

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  10. Difference of any two sides of a triangle is equal to the third side.

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  11. Of all the line-segments that can be drawn from a point to a line not ...

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  12. Sum of the three sides of a triangle is less than the sum of its three...

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  13. Sum of any two sides of a triangle is ........... than the third side.

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  14. If two angles of a triangle are unequal, then smaller angle has the .....

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  15. Of all line-segments drawn from a point to a line not containing it th...

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  16. Difference of any two sides of a triangle is ...... Than third side.

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  17. If two sides of a triangle are unequal, then the larger side has the ....

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  18. The sum of three altitudes of a triangle is ........... Than its perim...

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  19. In a right-triangle, the hypotenuse is the .......... side.

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  20. The perimeter of a triangle is ................... than the sum of its...

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