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Surface area of of cone, sphere

Total questions: 10

Worksheet time: 25mins

Name
Class
Date
1.
The lateral surface  area of a Cone of radius 'r' , slant height 'l'and height 'h' is
a)
π l (r+l) sq.unit
b)
π rh sq.unit
c)
2π r h sq.unit
d)
π r l sq.unit
2.

Find the volume of the sphere.

a)

904.32 ft3

b)

7,234.56 ft3

c)

150.72 ft3

3.

What is the volume of the sphere?

a)

78.5 m3

b)

392.5 m3

c)

523.6 m3

4.

Find the surface area of a cone with a radius 2ft and a slant height as 8ft. Leave your answer in term of π. 
SA= B + LA

a)

 20π ft220\pi\ ft^2  

b)

 16πft216\pi ft^2  

c)

 25πft225\pi ft^2  

d)

 80πft280\pi ft^2  

5.

Find the surface area

a)

252.58 yd2

b)

163.2 yd2

c)

365.68 yd2

d)

157.2 yd2

6.

Find the surface area of a cone with a radius 1cm and a slant height as 10cm. Leave your answer in term of π.

SA= B + LA

(a)  

7.

Find the surface area of the cone. Leave your answer in terms of pi.

a)

12π m²

b)

16π m²

c)

24π m²

d)

8π m²

8.

Find the surface area

a)

1276.3m2

b)

824.7m2

c)

1649.3m2

d)

3534.3m2

9.

Find the surface area of a cone with a radius 4ft and a slant height as 6ft. Leave your answer in term of π. 
SA= B + LA

a)

 24π ft224\pi\ ft^2  

b)

 12πft212\pi ft^2  

c)

 40πft240\pi ft^2  

d)

 30πft230\pi ft^2  

10.

Find the total surface area of the cone. Round to the nearest tenth.

a)

37.7 m²

b)

50.3 m²

c)

75.4 m²

d)

25.1 m²