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tatiyna
3 years ago
12

A 25-inch wide drum is used in a marching band.

Mathematics
1 answer:
a_sh-v [17]3 years ago
6 0
25 is the diameter which means 12.5 is the radius
a=pi*r^2
a=3.14*12.5^2
a=490.625 rounded to 490.63
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