Engineering Board Exam Reviewer · Properties of Triangles · medium

Find the radius of the inscribed circle of the triangle with sides 13, 14 and 15.

  1. 28/5
  2. 2
  3. 4
  4. 6

Answer

C. 4

Solution

s=21 and the area is 84. r=A/s=84/21=4.

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