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SAT® Subject Test in Math 1 & 2

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Moderate

Radius of a Circle

SATSTM-UCEL45

Given the picture below, if the radius of the circle is $r$ and $\text{RS = RQ}$, then how many of the line segments shown have a length that is equal to $r$?

A

$3$

B

$4$

C

$5$

D

$6$

E

$7$