Prove that in any triangle the sum of squares of any to sides is equal to twice the square of half the third side together with twice the square of themedian

Prove that in any triangle the sum of squares of any two sides is equal to twice the square of half the third side together with twice the square of the median.

Prove that in any triangle; the sum ant the squares of any two side is equal to twice the square of half of the third side together with twice the square of the median which bisects the third side.

If the sum of squares of two sides is equal to square of third side then DeltaABC is

If the sum of squares of two sides is equal to square of third side then DeltaABC is

If the sum of squares of two sides is equal to square of third side then DeltaABC is

Prove that in any parallelogram, the 'sum of the squares of all sides is equal to the sum of the squares of the diagonals'.

Prove that in a right triangle, the square of the hypotenure is equal to the sum of the squares of the others two sides.

Prove that "In a right angled triangle the square of hypotenuse is equal to the sum of the square of the other two sides".

A triangle in which the sum of the squares of two side equals the square of the third side must be a/an ____ triangle.