Engineering Board Exam Reviewer · Triangles · medium
Find the radius of the circle inscribed in the right triangle with sides 7, 24 and 25.
- 6
- 2.8
- 4
- 3
Answer
D. 3
Solution
For a right triangle, r=a+b-c/2=7+24-25/2=3 (also r= Areas=84/28=3).
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