Mathematics · Mensuration
The outer diameter of a spherical rubber ball's cross-section is 22 inches. The rubber has a uniform thickness of 0.5 inches. To the nearest square inch, what is the surface area of the ball's interior cavity? (Use π = 3.14).
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12315 square inches
- 21385 square inches✓
- 33125 square inches
- 4253 square inches
Correct answer
1385 square inches
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