circle.doc In the figure above, if the radius of the circle is 8, and triangle TRS is inscribed in the circle, then the length of arc TRS is A. 16π/3 B. (32 π)/3 C. 16 π D. (128 π)/3 E. 64 π
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Originally Posted by mths circle.doc In the figure above, if the radius of the circle is 8, and triangle TRS is inscribed in the circle, then the length of arc TRS is A. 16π/3 B. (32 π)/3 C. 16 π D. (128 π)/3 E. 64 π Since the triangle is equilateral (all interior angles are equal) the arc in question is of the complete circumference of the circle: So it is answer B.
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