10-7 Surface Areas and Volumes of Spheres

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11-6 Surface Areas and Volumes of Spheres

• To find the surface area and volume of a sphere.

Students will be able to make an approximation of
a sphere using pyramids.
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11-6 Quiz

• The following questions are designed to help you
  determine if you understood todays lesson
• Record your answers on the top of your homework
  sheet and then begin your lesson I will answer
  any questions Monday.

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1. Find the surface area of the sphere with the
given dimension. Leave your answer in terms of
p.diameter of 16 cm

1. 256p cm2
2. 128p cm2
3. 32p cm2
4. 1024p cm2

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2. Find the surface area of the sphere with the
given dimension. Leave your answer in terms of
p.radius of 30 m

1. 1800p m2
2. 900p m2
3. 3600p m2
4. 450p m2

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3. A balloon has a circumference of 23cm. Use the
circumference to approximate the surface area of
the balloon to the nearest square centimeter.

1. 1662 cm2
2. 529 cm2
3. 168 cm2
4. 674 cm2

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4. Find the volume of the sphere shown. Give each
answer rounded to the nearest cubic unit. 

1. 262 mm3
2. 524 mm3
3. 314 mm3
4. 105 mm3

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5. The volume of a sphere is 3000p m3. What is
the surface area of the sphere to the nearest
square meter?

1. 37699 m2
2. 165 m2
3. 1079 m2
4. 2158 m2

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Assignment

• 11-6 P.737-739
• 6-50 even

Be sure to RATE your understanding of the lesson
4-3-2-1-0 after you finish it AND give me one
complete sentence as to why you rated yourself
that way then summarize what the lesson was about
in a sentence or two.