Prove analytically the following :
Diagoanls of a square are equal.

Prove that the diagonals of a square are equal.

Prove analytically that the : medians of a triangle are concurrent.

Which of the following is not a perfect square.

Prove analytically that the altitudes of a triangle are concurrent.

Fill in the following blanks: (14)/(21) = square/3 = 6/square .

Show that the diagonals of a square are equal and bisect each other at right angles

Prove that the ratio of the areas of two similar triangles is equal to the square of the ratio of their corresponding medians.