Circle A is shown below.
1. Draw two diameters of the circle.
2. Identify the shape defined by the endpoints of the two diameters.
3. Explain why this shape is always the result.
From EngageNY.org of the New York State Education Department. Grade Geometry Mathematics Module 5, Topic A, Lesson 1. Internet. Available from https://www.engageny.org/resource/geometry-module-...; accessed 14/Apr/2016.