CD and FG are the same length. AD and EF are the same length. Image caption, Angles in congruent shapes are equal. Angle A and angle E are equal. They correspond to each other. Angle B and angle H ...
In the diagram below, AB is the chord of ... OMA and OMB are both right angles. Triangles OAM and OBM are congruent, so it follows that \(AM=MB.\) Therefore, M is the midpoint of AB, and the ...