Question

11.
12.
Find the surface area and the
volume of a beach ball shown in the
figure.
42 cm​

Answer 1

Answer:

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Answer 2

Answer:

d=42cm

r=21cm

surface area of sphere =

$4\pi \: r^{2}$

=4*22/7*21

=264square cm

volume of sphere =

$4 \div 3\pi \: r {}^{3}$

=4/3*22/7*21*21*21

=38808cubic cm.

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