It is a rectangle but needs to be proved.
(b) What more can you say about the quadrilateral in part (a) if the diameters are perpendicular to each other? Prove your answer.
It is a square but needs to be proved.
This material may consist of step-by-step explanations on how to solve a problem or examples of proper writing, including the use of citations, references, bibliographies, and formatting. This material is made available for the sole purpose of studying and learning - misuse is strictly forbidden.Let AB and CD two such diameters. These intersect in the center O.
(In the picture think of A as being in the lower left, and C as being in the upper right of the circle).
Consider the angle CBD, we need to show that it is...