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Mathematics 10 Online
OpenStudy (anonymous):

solve for x

OpenStudy (anonymous):

|dw:1392739756178:dw|

OpenStudy (anonymous):

The circles are similar. You can find the scale factor k from the first to the second. k=first figure/corresponding value in second figure k=66/11 k=6 So, xk=33, or 6x=33. Now you just solve for x.

OpenStudy (anonymous):

how did u get k?

OpenStudy (y1066380):

Just solve 66/33 = 11/x

OpenStudy (y1066380):

By ratio

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