The lengths of two sides of a triangle are 6cm and 9cm. Write all possible lengths
of the third side.
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Step-by-step explanation:
side 1 = 6 cm, side 2 = 9cm.
In a triangle , the sum of any 2 sides is always greater than the third side.
So, third side should be < ( 9 + 6) = 15 cm
& also, it should be > (9 -6) = 3 , because 6+3 = 9 & in this case side1 + side3 = side2, which is not possible.
Hence, 3cm < third side < 15 cm
ie, third side length lies between 3cm & 15 cm, excluding 3 & 15.
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