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8th Grade Math (Math 8) · Chapter 12 · Lesson 12.3 · Printable PDF

Spheres Worksheet with Answer Key

5 problems on spheres: finding the radius from the diameter or a great circle, a drilled bead, a plane cut through a ball, a glass ball in a ring, and a climbing dome. 2 pages, with a worked answer key.

5 problems2 pagesanswer key
Printable Spheres worksheet with answer key - 8th Grade Math (Math 8) (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 radius of a sphere from each measurement given:
  2. Word problem: how long a hole through a wooden bead is when it passes 6 mm from the center.
  3. Decide who is right, Ryan or Elena, about the radius of a face cut from a ball.
  4. Word problem: how a glass garden ball sits in a metal ring.
  5. Find distances on a hemisphere-shaped climbing dome of radius 5 m.

Teach it first

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

Spheres: the lesson ›

More Chapter 12 worksheets: Volume of cylinders, cones and spheres