A builder buys a rectangular piece of land. The dimensions of the land are shown in the diagram. 

The cost of the land is $\$12400$ per hectare. The builder says, 'This land will cost me more than $\$34000$.' Is the builder correct? Explain your answer. Show your working.

 

A football pitch has an area of $0.78 \mathrm{ha}$. Work out the area of the football pitch, in ${\mathrm{m}}^2$.

A football pitch has an area of $0.78 \mathrm{ha}$. The length of the football pitch is $120 \mathrm{m}$. Work out the width of the football pitch, in metres.

Alessia and Ben share a piece of land in the ratio $1:2$. The area of the piece of land they share is $0.087$ hectares. Work out the area of Ben's piece, in ${\mathrm{m}}^2$.

A company wants to build a water park. The diagram show a plan of the land the company wants to buy. The price of the land is $\$5200$ per hectare. The company wants to pay less than $\$5$ million for the land. Can the company afford to buy the land. Show all your working. Explain your answer.

Work out the area of the given triangle in ${\mathrm{cm}}^2$.

Work out the area of the given triangle in ${\mathrm{cm}}^2$.

Work out the area of the given triangle in ${\mathrm{cm}}^2$.

Work out the area of the given triangle in ${\mathrm{mm}}^2$.