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Mathematics 10 Online
OpenStudy (linn99123):

NEED HELP FAST WILL GIVE MEDAL AND FAN :D The diameter of a coin is 22 millimeters. What is the approximate area of the coin? A. 34.54 mm² B. 69.08 mm² C. 94.99 mm² D. 379.94 mm²

OpenStudy (anonymous):

\[area=\pi*r^2\] \[r=22/2=11\] \[area=3.14*11^2=379.94mm²\]

OpenStudy (mkmkasim):

d

OpenStudy (mkmkasim):

(3.14)(11)^2

OpenStudy (mkmkasim):

11 is your radius

OpenStudy (anonymous):

D since its Pi times the raidus squared

OpenStudy (anonymous):

Yeah what he or she said. ^^ lol XD

OpenStudy (anonymous):

xD @ tyley nice one

OpenStudy (anonymous):

lol thinkx

OpenStudy (anonymous):

*tyler

OpenStudy (anonymous):

XD

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