9 m
4
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 !
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Find the outer perimeter of the three villas. Add all the outer walls. 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 !. Find the area of the shape. Divide the shape into - PowerPoint PPT Presentation
Transcript of 9 m
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