Respuesta :

The center of the circle is the point, T

The diameter of a circle passes through it's center from one point on the circumference to another point. Thus, looking at the diagram,

Diameter = SA

Radius = diameter/2

TS + TA = Diameter

TS = TA

Thus,

2TS = diameter

TS = diameter/2

Therefore, TS = radius

The correct option is C

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