Each of the angles of a square is a right angle and each of the four sides is of the same length.

Each of the four angles of a rectangle is a right angle.

Each of the four sides of a rhombus is of the same length.

Show that each angle of a rectangle is a right angle.

Say True or False :(a) Each angle of a rectangle is a right angle.(b) The opposite sides of a rectangle are equal in length.(c) The diagonals of a square are perpendicular to one another.(d) All the sides of a rhombus are of equal length.(e) All the sides of a parallelogram are of equal length.(f) The opposite sides of a trapezium are parallel.

If one of the four angles formed by two intersecting lines is a right angle, then show that each of the four angles is a right angle.

If the square of one side of a triangle is equal to the sum of the squares of the other two sides then the triangle is a right triangle with the angle opposite the first sides as right angle.

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

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

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

In a right-angled triangle, the square of the longest side is 625 sq. cm. if the length of the second side is 7 cm, find the length of the third side of the triangle.