9 m

30 m

20 m

15 m

Find the outer perimeter of

the three villas

Add all the outer walls

30 + 20 + 9 + 15 + 9 + 30 + 15 + 20 = 148 m

or… find the perimeter of the new rectangle !

Find the area of the shape

Divide the shape into

two rectangles

20 cm

7 cm

12 cm

8 cm Find the area of

each rectangle

160

84

Add the areas

160 + 84 = 244 Use units !!!! cm2244

The diameter of the circle is 5 cmThe radius is2.5

Find the perimeter

5 cm

15 cm

15 + 5 + 15

The circumference is

+ half of a circle

. .r 2 2 2 5 15 7Half of the circumference is

7.9

= 35 + 7.9 = . cm42 9

Find the area shaded green

10 m

12 m

3 m

3 m

Find the area of the green rectangle

120

3 m

3 m

Find the area of the white square

9

Subtract

2m 120 9 111