Draw an equilateral triangle \(ABC\) with sides measuring \(8 \ cm\). Draw the circumcircle of \(ΔABC\).
Answer variants:
With \(A\) as centre, draw an arc of radius \(8 \ cm\).
Join \(AC\) and \(BC\) to form the triangle \(ABC\).
Draw the perpendicular bisectors of the line segment \(AC\) and \(BC\). And, mark their point of intersection as \(O\). Thus, \(O\) is the circumcentre.
With \(OA\) as radius and \(O\) as centre, draw the circumcircle of \(\Delta ABC\).
With \(B\) as centre, draw another arc of radius \(8 \ cm\) intersecting the previous arc at \(C\).
Draw a base line segment \(AB = 8 \ cm\).
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