A circular arc subtends angles 150^o at the centre of a circle of radius 12cm. Calculate the area of the sector of the arc.

In the diagram above, PQR is a circle O. If $\angle \mathbf{QRP}$is x^o, Find $\angle \mathbf{QRP}$

A chord of a circle of radius 7cm is 5cm from the centre of the circle. What is the length of the chord?

An arc subtends an angle of 50^o at the centre of circle of radius 6cm. Calculate the area of sector formed

From the cyclic quadrilateral TUVW  above, find the value of x

From the diagram above, find x

A chord is drawn 5cm away from the centre of a circle of radius is 13cm. Calculate the length of the chord.

Find the angle subtends at the centre of a circle by a chord which is equal in length to the radius of the circle.

In the diagram above $\angle OPQ$is

In the diagram POQ is a diameter of the circle. PQRS. If $\angle PSR={{145}^{o}}$. Find x^o