If 15cm is the diameter then the radius is 7.5cm
If the circumference is 15cm then the radius is 7.5/pi cm
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For a circle Area is defined as: A = π(r)2 Where "A" is the area, "r" is your radius and π = 3.14 So for your circle: A = 3.14 x (15)2
no.the radius of a circle is the distance from the middle of the circle to the edges. no.the radius of a circle is the distance from the middle of the circle to the edges.
The radius of the circle is: 9.549 cm
The radius of the circle is the length between the middle of the circle and any of the sides. It is also half the lenght of the diameter.
The radius of a circle is half of its diameter