The curved surface surface of a cylinder 5 cm high is 110cm². Find the radius of its base [Take$\pi =\tfrac{22}{7}$]

The diagram shows a rectangular cardboard from which a semi – circle is cut off. Calculate the area of the remaining part

The diagram is a et of a right rectangular pyramid. Calculate the total surface area.

In the diagram, $\left| EF \right|=8cm$ $\left| FG \right|=xcm$ $\left| GH \right|=(x+2)cm$ , $\angle EFG={{90}^{\circ }}$ If the area of the shaded portion is 40cm². Find the area of $\Delta EFG$

A rectangle has length xcm and width (x – 1)cm. if the perimeter is 16cm, find the value of xcm

An empty rectangular tank is 250cm long and 120 cm wide. If 180 litres of water is poured into the tank, calculate the height of the water.

John pours 96litres of red oil into rectangular container with length 220cm and the breadth 40cm. calculate, correct to the nearest cm, the height of the oil in the container.

A rectangle garden measures 18.6m by 12.5m. Calculate to three significant figures, the area of the garden

The height of a cylinder is equal to its radius. If the volume is 0.216π m³. Calcualte the radius

A cylindrical container has a radius of 14cm and height 18cm.How many litres, correct to the nearest litres, of liquid can it hold? [Take $\pi =\tfrac{22}{7}$]