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Answered

Determine the number of triangles that can be constructed given the conditions in a-d.
a. m b. Three line segments measure 21 inches, 7 inches, and 4 inches → _
c. RS = 14 cm, m d. m

Answer :

Only b we can check

  • Line lengths are 21in,7in,4in

The rule is sum of two sides must be greater than third side

Check

  • 21+7>4
  • 7+4<21
  • 21+4>7

They can't form a triangle

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