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Mathematics 57 Online
OpenStudy (amtran_bus):

Help with geometry

OpenStudy (amtran_bus):

A and B are points on the circumference of the circle with center O (not shown). The length of chord AB is 15 Which is greater? The circumference of circle O or 12pi?

OpenStudy (amtran_bus):

I know c=pid

OpenStudy (sachintha):

The chord drawn is always less than the diameter. So the diameter should be 15 or a value greater than that. Therefore, from the circumference equation you can see which one is larger.

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