In the diagram above, PQ = 10cm, PS = 8cm and $\angle PSR$ is 60^o. While SRQ is a right angle. Find SR

In the diagram above $\left| OR \right|$ is the diameter of the semicircle OR. Find the area of the figure of the shape to the nearest whole number

Find the curved surface area of a cone with circular base diameter 10cm and height 12cm

PQRSTV is a regular of side 7cm inscribed in a circle. Find the circumference of the circle PQRSTV  [$\pi =\tfrac{22}{7}$] 

In the diagram above, PQ = 4cm and TS = 6cm, if the area of parallelogram PQTU is 32 cm², Find the area of trapezium PQRU

A trapezium has two parallel sides of length 5cm and 9cm. If the area is 21cm². Find the distance between the parallel sides.

A solid hemisphere has radius 7cm. Find the total surface area (Take $\pi =\tfrac{22}{7} )

In the diagram above, a cylinder is surmounted by a hemispherical bowl. Calculate the volume of the solid.

A bucket is 12cm in diameter at the top, 8cm in diameter at the bottom and 4cm deep. Calculate its volume.

In the diagram above are two concentric circles of radii r and R respectively with centre O. If $r=\tfrac{2}{5}R$, express the area of the shaded portion in term of $\pi $and R