Calculation formula of vertical diameter theorem

The formula of the vertical diameter theorem is r=d+h, and the vertical diameter theorem is a theorem in mathematical plane geometry (circle). Its popular expression is that the diameter of the chord perpendicular to the chord bisects the two arcs opposite to the chord bisects, and the semicircle CAD= semicircle CBD.

Plane geometry refers to geometry constructed according to Euclid's Elements of Geometry. Also known as Euclidean geometry.

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