Proposition 1
Construction
To find the center of a given circle.
Construction Steps
1. Let ABP be the given circle.
2. Join the points A and B on the circumference and bisectAB at C.
3. Draw a line through C perpendicular toAB , intersecting the circle at D and E.
4. BisectDE at F. F is the center of ABP.
2. Join the points A and B on the circumference and bisect
3. Draw a line through C perpendicular to
4. Bisect
Original statement
τοῦ δοθέντος κύκλου τὸ κέντρον ϵὑρϵῖν.
English translation
To find the centre of a given circle.
