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an Olympic gold medal has the diameter is 8 cm what is is area
The area is 50.24 cm. The formula is π·r^2. The radius is 4 cm, and you square it. 16 cm. Then you multiply 16 by 3.14 (π). And you get 50.24 cm as the area.
Formula:
A = pi times r^2
the radius would be 4 because you divide 8 by 2 in order to get radius.
a = pi (4^2)
a = pi (16)
a = 3.14 (16)
area = 50.24cm ^2
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