Three points `P, Q and R` are selected at random from the cirumference of a circle. Find the probability p that the point lie on a semi-circle

The points A,B,C are randomly selected on the circumference of a circle. Find the probability that the points lie on a semi circle.

If three points P, Q, R are taken at random on the circumference of a circle, the chance that do not lie on the same samicircle is

If three points P, Q, R are taken at random on the circumference of a circle, the chance that do not lie on the same semicircle is

A point is selected at random from the interior of a circle. The probability that the point is closer to the centre than the boundary of the circle is

A point is selected at random from the interior of a circle.The probability that the point is closer to the centre than the boundary of the circle is

A point is selected at random from inside a circle. The probability that the point is closer to the circumference of the circle than to its centre, is

A point is selected at random from inside a circle. The probability that the point is closer to the circumference of the circle than to its centre, is

A point is chosen at random inside a circle. Find the probability that the point is closer to the centre of the circle than to its circumference.

A square is inscribed in a circle.If p_(r) is the probability that a randomly chosen point inside the circle lies within the square and p, is the probability that the point lies outside the square,then

A square is incribed in a circle . If p_(1) is the probability that a randomly chosen point of the circle lies within the square and p_(2) is the probability that the point lies outside the square then