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# Surface Area of Curved Shapes

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by

## Mr Mattock

on 6 April 2018

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#### Transcript of Surface Area of Curved Shapes

Surface Area of Curved Shapes
Activity
Cones and Spheres
Surface Area of a Cylinder
Surface Area of Cylinders
Know the surface area of a cylinder, and use the formulae for surface area of cones and spheres.
Surface Area of a Cylinder
r = 17 m
r = 2 cm
Activity
(a) 301.59

(b) 603.19

(c) 1206.37

(d) 89.22
(e) 2789.73

(f) 318.87

(g) 1099.56

(h) 4902.02
(a) 62.83

(b) 102.1
Cones and Spheres
Activity
Which of these has the smallest surface area?
Activity
Which of these has the smallest surface area?
Cone
(a) 314.16
(b) 263.9
(c) 282.74
(d) 83.23

314.16
615.75
1256.64
1809.56
Activities
Activity
Answers

Key
Examples

Worked
Example
Worked
Example
2 x Pi x 17 x 17 + 2 x Pi x 17 x 27 = 4699.82 m
2 x Pi x 2 x 2 + 2 x Pi x 2 x 5 =
87.96 cm
2
2
282.74
339.97
1017.88
1089.56
Full transcript