# HSG-C.A.3

Construct the inscribed and circumscribed circles of a triangle, and prove properties of angles for a quadrilateral inscribed in a circle.

## Tasks

Locating Warehouse

Placing a Fire Hydrant

Circumcenter of a triangle

Inscribing a triangle in a circle

Inscribing a circle in a triangle I

Inscribing a circle in a triangle II

Opposite Angles in a Cyclic Quadrilateral

Circumscribed Triangles