Engineering Board Exam Reviewer · Triangles · medium
Find the length of the median drawn to the side of length 12 in the triangle with sides 9, 12 and 15.
- 7.5
- 21.64
- 12
- 10.82
Answer
D. 10.82
Solution
m= 12sqrt(2(9)2+2(15)2-122)= 12sqrt(468)=10.82.
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