how to construct a triangle of 1) 1,2,3 cm 2) 2,3,6 cm 3) 3,4,5 cm 4) 4,5,10 cm .from which of the above triangle cannot be drawn ???
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1+2=3. we see that sum of two sides is not greater than third side in first case. therefore, triangle cannot be drawn.
2+3<6. sum of two sides is not greater than third side. triangle cannot be drawn.
3+4<5 5+4>3 5+3>4. sum of two sides is greater than third side in all three cases. triangle can be drawn.
4+5<10. sum of two sides is not greater than third side. triangle cannot be drawn.
triangle not possible in 1,2 and 4
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