1. find the perimeter of the new rectangle !
Add all
the outer walls
Find the outer
perimeter of
the three villas
30 m
20 m
15 m
9 m 30
+ 20
+ 9
+ 15
+ 9
+ 30
+ 15
+ 20 =
148 m
or…
find the perimeter of the new rectangle !

2. 160 84 Find the area of each rectangle Add the areas Divide the shape
into
two rectangles
Find the area
of the shape
8 cm
160
20 cm
12 cm 84
7 cm
= 244
Use units !!!!

3. The diameter of the circle is 5 cm The radius is 2.5
Find the perimeter
The diameter of the circle is 5 cm
The radius is
2.5
The circumference is
Half of the circumference is
7.9
15 cm
5 cm 15
+ 5
+ 15
+ half of a circle
= =

4. 120 9 Find the area of the white square Subtract Find the area
shaded green
Find the area
of the green rectangle
120
3 m
3 m 9
10 m
3 m
3 m
12 m