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If the distance between two points (ab) on a circle is 15 cm and the angle between those two cities is 18˚, what is the circumference of the circle in centimeters
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If the distance between two points (ab) on a circle is 15 cm and the angle between those two cities is 18˚, what is the circumference of the circle in centimeters

User Satake
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since 18 is one twentieth of the angle of a full circle, 360, the circumference is 20 times the arc distance of 15, or 300
User Ege
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