The diameter of a hollow cone is equal to the diameter of a spherical ball. If the ball is place...

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The diameter of a hollow cone is equal to the diameter of a spherical ball. If the ball is placed at the base of the cone, what portion of the ball will be outside the cone?
a. \( 80 \% \)
b. less than \( 50 \% \)
c. more than \( 50 \% \)
d. \( 100 \% \)
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