6th Class Mathematics Sample Paper Mathematics Sample Paper-6

  • question_answer Two sides of a triangle are 12 cm and 14 on. The perimeter of the triangle is 36 cm. What is the third side?


    Let ABC be the given triangle such that \[AB=12\text{ }cm,BC=14\text{ }cm\] So, perimeter \[=AB+BC+CA\]          \[=36\text{ }cm\] \[12cm+14\text{ }cm+CA=36\text{ }cm\] \[CA=36\text{ }cm26\text{ }cm=10\text{ }cm\] \[\therefore \] The third side is 10 cm.

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