WEBVTT
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Okay, Part A, we know sees two pi
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times the radius so plugging in. This gives us
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00:00:08.800 --> 00:00:11.539 A:middle L:90%
articles 1.2 sevens. The volume of the test ball
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00:00:11.550 --> 00:00:19.550 A:middle L:90%
is 4/3 pi times. The radius cubed equals 8.58
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inches and coats volume. It's obviously cute. Okay
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, moving on into park be We know the amount
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of space taken up by the test ball is equivalent
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to the volume of a cylinder, which is subtracting
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the volume of three tennis balls. So we have
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00:00:36.000 --> 00:00:42.899 A:middle L:90%
pi times the radius 1.43 squared times the height minus
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three times the volume of the tennis ball, which
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00:00:44.649 --> 00:00:49.310 A:middle L:90%
we figured out in the previous slide. This gives
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00:00:49.310 --> 00:00:52.479 A:middle L:90%
us for 51.4 months, 25.7, which gives us
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25.66 inches cute.