The Circle Represents a Whole, or 1 $\frac { 9 } { 13 }$

Multiple Choice

The circle represents a whole, or 1. Determine the unknown part of the circle.
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A) $\frac { 9 } { 13 }$
B) $\frac { 11 } { 13 }$
C) $\frac { 15 } { 13 }$
D) $\frac { 4 } { 13 }$