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Factoring and product formulas
Quadratic equations
Progressions
Trigonometry
Probability theory
Statistics
Circle
Triangles
Quadrangles, polygons
Shape Areas
Solid figures
Equations of geometric shapes
Various
Combinatorics
Vectors
Logarithms

Math formulas
Triangles
Length of triangle median

Length of triangle median

$m_{a} = \frac{1}{2}\cdot \sqrt {2\cdot (b^{2}+c^{2})-a^{2}}$

m_a - length of median drawn to the side a
a, b, c - triangle sides

Find

m_a
b
c
a

It is known that:

=

Calculate 'm_a'

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