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48. The radius of a circle is 30cm. Find the lenght of an arc of this circle if the lenght of the chord of the arc is 30cm(triangle formed by the chord and the radius at its end points will be equilateral.) |
| Answer» 48. The radius of a circle is 30cm. Find the lenght of an arc of this circle if the lenght of the chord of the arc is 30cm(triangle formed by the chord and the radius at its end points will be equilateral.) | |