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an Olympic gold medal has the diameter is 8 cm what is is area

Sagot :

ScienceEllis
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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