Lynn Byrd, Greg Byrd and, Chris Pearce Solutions for Chapter: Shapes, Area and Volume, Exercise 3: Exercise 15.2

A rectangular piece of land measures $780 \mathrm{m}$ by $550 \mathrm{m}$. Work out the area of the land in square metres.

A rectangular piece of land measures $780 \mathrm{m}$ by $550 \mathrm{m}$. Work out the area of the land in hectares.

A builder buys a rectangular piece of land. The dimensions of the land are shown in the diagram. Work out the area of the land, in hectares.

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.