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In triangle RST, RS = 13, ST = 14, and RT = 15.
Let M be the midpoint of ST. Find RM.
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In a triangle with the sides a, b and c the median drawn to the side c has the length of
= .
This formula is proved in the lesson
- The length of a median of a triangle
in this site.
Using this theorem, substitute your values into the formula to get the answer
|RM| = = sqrt(592)}}} = 12.166 (approximately).
