The measurements of two sides of a triangle are 9 cm and 30 cm. What could be a measurement of the third side of the triangle?

1 Answer
Alan P.
Feb 6, 2017

The third side could be any value #v# (in cm) for which
#color(white)("XXX") 21 < v < 39#

Explanation:

The side of a triangle can not be:

  • less than the difference between the other two sides
  • greater than the sum of the other two sides
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