Geometrymedium · Past Paper
In triangle ABC, if AD is the median to side BC, then AB^2 + AC^2 is equal to:
A2(AD^2 + BD^2)
BAD^2 + BC^2
C2AD^2 + 2BC^2
DAB * AC
✓ Correct Answer: A — 2(AD^2 + BD^2)
This is known as Apollonius's Theorem, relating sides and the median.
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