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Mathematics 23 Online
OpenStudy (anonymous):

Using the illustration below, calculate the area of the circle. A. 132.73 in2 B. 173.23 in2 C. 530.93 in2 D. 123.73 in2

OpenStudy (anonymous):

sam (.sam.):

A

OpenStudy (anonymous):

.Sam. your the best !

sam (.sam.):

hope so :)

OpenStudy (anonymous):

Diameter d = sqrt ( 12^2 + 5^2) = 13 in -> r = 13/2 in => A = pi r^2 = pi (13/2)^2 = 132.7 in^2

OpenStudy (chris911):

he worked it out ;) lol I just now need thislol

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