From a fixed point `A` on the circumference of a circle of radius `r ,` the perpendicular `A Y` falls on the tangent at `Pdot` Find the maximum area of triangle `A P Ydot`

Find the circumference and area of a circle of radius 8.4 cm.

Find the circumference and area of a circle of radius 4.2 cm.

A point P is given on the circumference of a circle of radius r. Chord QR is parallel to the tangent at P. Determine the maximum possible area of the triangle PQR.

If 'P' is any point on the circumference of the circle x^(2) + y^(2) - 4x - 4y -8 =0 , then the perpendicular distance of the tangent at P from the centre of the circle is

Find the radius and circumference of a circle, whose area is : 154 cm^(2)

The radius of a circle is 5 m. Find the circumference of the circle whose area is 49 times the area of the given cirlce.

The circumference of a circle is 31.4 cm. Find the radius and the area of the circle ? (Take pi=3.14 )

Given a circle of radius r . Tangents are drawn from point A and B lying on one of its diameters which meet at a point P lying on another diameter perpendicular to the other diameter. The minimum area of the triangle PAB is : (A) r^2 (B) 2r^2 (C) pir^2 (D) r^2/2

The difference between the circumference and radius of a circle is 37 cm. Find the area of the circle

A point is 26 cm away from the centre O of a circle and the length P T of the tangent drawn from P to the circle is 10 cm. Find the radius of the circle.