Karen Morrison and Nick Hamshaw Solutions for Exercise 1: Exercise 7.1

The following shape can be divided into simpler shapes. Find the total area.

How many $20 \mathrm{cm}$ by $30 \mathrm{cm}$ rectangular tiles would you need to tile the outdoor area shown below?

Sanjay has a square mirror measuring $10 \mathrm{cm}$ by $10 \mathrm{cm}$. Silvie has a square mirror which covers twice the area of Sanjay's mirror. Determine the dimensions of Silvie's mirror correct to $2$ decimal places.

Draw a rough sketches and give the dimensions of two rectangles with same perimeter but different areas.

Draw a rough sketches and give the dimensions of two rectangles with same area but different perimeters.

Draw a rough sketches and give the dimensions of two parallelograms with same perimeter but different areas.

Draw a rough sketches and give the dimensions of two parallelograms with same area but different perimeters.

Find the area and the perimeter of the rectangle shown in the diagram above.