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No. Diameter = 2 x r
radius=1/2 diameter so R=3cm
What is ; -r-8+6r=-13.=]
The radius of a circle with diameter or 8 inches is 4 inches. The diameter equals 2 times the radius or d=2*r. --> 8 in = 2*r so, r = 4 in
72, double the radius because radius is half of the whole diameter.