Write true/false in the following :
(i) The perpendicular drawn from the center of a circle to a chord bisect the chord.
(ii) All squares are similar.
(iii) Area of right triangle = 1/2 x base x altitude.
(iv) A line intersecting a circle in two points is called a secant.
(v) The angle of elevation of an object viewed is the angle formed by the line of sight with the horizontal, when we lower our head to look at the object.