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Geometry · Chapter 12 · Lesson 12.7 · Printable PDF

Surface Area of a Sphere Worksheet with Answer Key

7 problems on surface area of a sphere: finding it from a great circle, volume or radius, a melon cut in wedges, painting a tank, a lamp globe with parallel cuts, a hollow bowl, and wax on cheese slices. 2 pages, with a worked answer key.

7 problems2 pagesanswer key
Printable Surface area of a sphere worksheet with answer key - Geometry (Page 1 PDF preview)
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Try one first: a free Chapter 1 worksheet (PDF, no sign-in).

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What's on the worksheet

  1. Find the surface area of a globe from the circumference of its equator.
  2. Find the surface area of a ball bearing and the volume of a soap bubble from the given value.
  3. Find the rind area and total surface area of a melon wedge.
  4. Find how many 20 liter drums of paint cover a spherical gas tank in two coats.
  5. Find the openings and the surface area of a lamp globe cut by two parallel planes.
  6. Find the area to varnish on a hollow hemisphere bowl with a 2 cm wall.
  7. Find the wax area on end slices and middle slices of a round cheese.

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The free lesson teaches it with worked examples and practice problems.

Surface area of a sphere: the lesson ›

More Chapter 12 worksheets: Area and volume