Karen Morrison and Nick Hamshaw Solutions for Exercise 8: Examination practice

Find perimeter and area of this shape. (Use, $\mathrm{\pi }=3.14$)

A cylindrical rainwater tank is $1.5 \mathrm{m}$ tall with a diameter of $1.4 \mathrm{m}$. What is the maximum volume of rainwater (in ${\mathrm{cm}}^3$) it can hold?

The diagram shows the plan of a driveway to a house. Calculate the perimeter (in $\mathrm{m}$) of the driveway.

The diagram shows the plan of a driveway to a house. The driveway is made from concrete. The concrete is $15 \mathrm{cm}$ thick. Calculate the volume of concrete used for the driveway. Give your answer in cubic metres.

Find the area of trapezium (in ${\mathrm{cm}}^2$).

Calculate the volume of hemisphere (in ${\mathrm{cm}}^3$). Use, $\mathrm{\pi }=3.14$

Calculate the volume of hemisphere (in ${\mathrm{cm}}^3$) with radius $5 \mathrm{cm}$. Use, $\mathrm{\pi }=3.14$ (write answer to the nearest whole number)

Calculate the perimeter of the sector (in $\mathrm{cm}$) whose radius is $15 \mathrm{cm}$. Use, $\mathrm{\pi }=3.14$ (write answer to the nearest whole number)