surtace area of the lampshade. 9 The volume of a cylinder is 121T cubic inches and its height is 4 inches. a) What is the radius of the cylinder? b) What is the surface area of the cylinder? Give your answer in terms of T

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ISBN:9780470458365
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It’s question 9 b
8.
Mrs. Lavender bought a cylindrical lampshade with height 14 inches and
diameter 10 inches. As shown in the diagram, the lampshade is open at uie
top and bottom. Find the surface area of the lampshade.
9 The volume of a cylinder is 121T cubic inches and its height is 4 inches.
a)
What is the radius of the cylinder?
b)
What is the surface area of the cylinder? Give your answer in terms of t-
10 The diagram shows a mallet made by attaching two solid cylinders together.
What is the volume of the mallet?
18 cm
42 cm
n0-
16 cm
22 cm
Transcribed Image Text:8. Mrs. Lavender bought a cylindrical lampshade with height 14 inches and diameter 10 inches. As shown in the diagram, the lampshade is open at uie top and bottom. Find the surface area of the lampshade. 9 The volume of a cylinder is 121T cubic inches and its height is 4 inches. a) What is the radius of the cylinder? b) What is the surface area of the cylinder? Give your answer in terms of t- 10 The diagram shows a mallet made by attaching two solid cylinders together. What is the volume of the mallet? 18 cm 42 cm n0- 16 cm 22 cm
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