# The Scholarly Unicorn's SAT Mathematics Advanced Guide by Dr. Steve Warner LEVEL 3:GEOMETRY AND COMPLEX NUMBERS

by Dr. Steve Warner. The Full Program includes,

Online Program

## In the circle above with center O,$$\angle POQ$$ is a right angle. If the length of arc $$\widehat{PRQ}$$ is $$10\pi$$ , what is the length of a diameter  of the circle?

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