this presentation is purely for you to practice : – drawings of different object views –...
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![Page 1: This presentation is purely for you to practice : – Drawings of different object views – Calculating the material required](https://reader034.vdocument.in/reader034/viewer/2022051316/5697bfd01a28abf838caaab7/html5/thumbnails/1.jpg)
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• This presentation is purely for you to practice : – Drawings of different object views– Calculating the material required
![Page 3: This presentation is purely for you to practice : – Drawings of different object views – Calculating the material required](https://reader034.vdocument.in/reader034/viewer/2022051316/5697bfd01a28abf838caaab7/html5/thumbnails/3.jpg)
Materials such as plastic and plywood are sold per square metre
1 metre
1 m
etre
1 square metre
3 metres
2 m
etre
s6 square metres
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I wish to cover the roof of the chicken hut in plastic sheeting to make it waterproof.
• How much plastic should I buy?
• How much should I buy to cover the bamboo hut roof?
• How much should I buy to cover the weather station roof?
![Page 5: This presentation is purely for you to practice : – Drawings of different object views – Calculating the material required](https://reader034.vdocument.in/reader034/viewer/2022051316/5697bfd01a28abf838caaab7/html5/thumbnails/5.jpg)
Now find the area of the roof of your design!
SCALE
?
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4 metres
4 m
etre
s
5 metres
4 m
etre
s
Area = 0.5 x base x height
Hei
gh
t
Hei
gh
t
Base Base
8 square metres 10 square
metres
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I wish to paint all four sides of the bamboo hut and weather station.
I wish to cut two new full metal panels for the ends of the chicken hut, and paint them.
How many pots of paint do I need?
How much will it cost?
1 pot paints 2 square metres
50 rupees per pot
![Page 8: This presentation is purely for you to practice : – Drawings of different object views – Calculating the material required](https://reader034.vdocument.in/reader034/viewer/2022051316/5697bfd01a28abf838caaab7/html5/thumbnails/8.jpg)
Now find the areas of the walls of your design!
SCALE
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![Page 11: This presentation is purely for you to practice : – Drawings of different object views – Calculating the material required](https://reader034.vdocument.in/reader034/viewer/2022051316/5697bfd01a28abf838caaab7/html5/thumbnails/11.jpg)
![Page 12: This presentation is purely for you to practice : – Drawings of different object views – Calculating the material required](https://reader034.vdocument.in/reader034/viewer/2022051316/5697bfd01a28abf838caaab7/html5/thumbnails/12.jpg)
SCALE
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Circumference = hello x diameter
Diameter
Radius
= 3.14Area = x radius2
(radius2 = radius x radius)
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What is the area of the base of your water tank?
Area = x radius2
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Volumes are measured in cubic metres
1 metre
1 m
etre
1 square metre
1 metre
1 m
etre
1 cubic metre
1 metre
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2 metres
3 m
etre
s
12 cubic metres
2 metre
s
1 metre
0.5
met
res
1 cubic metre
2 metres
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2 metres
radius
hei
gh
t
3 metres
36 cubic metres
Area of circle = x radius2
(radius2 = radius x radius)
Volume cylinder = Height x Area
Volume cylinder = 3 x 12
Area of circle = 3 x 2 x 2
= 12 m2
= 36 m3
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How many litres of water can my tank hold?
Hint: 1 cubic metre = 1000 litres