1. Geometry Safari Sania Mirzanschall, Charles Rareshide, Troy Trotter, Nick Walton, Kim Weaver Team 5 Pictures taken from the streets and sidewalks of Center City Philadelphia

2. Collinear Points that lie on the same line

3. Parallel Lines Lines in the same plane that never intersect

4. Circles Inscribed in Squares A circle is inscribed in a square when it is tangent to all four sides of the square while inside the square

5. Parallelograms Quadrilaterals with two pairs of parallel and congruent opposite sides

6. Isosceles Triangles Triangles that have two congruent sides

7. Right Triangle A triangle that has one right (90 degree) angle

8. Regular Hexagons Polygons with six congruent sides and six congruent angles

9. Concentric Circles Circles that share the same center

10. Sector of a Circle The region between the central angle and its intercepted arc

11. Segment of a Circle The region between a chord the included arc

12. Square A quadrilateral with all sides congruent and all angles 90 degrees. Rhombus A quadrilateral with all sides congruent and no 90 degree angles.

13. Circle All points that are equidistant from a central point. Trapezoid A quadrilateral with two parallel sides and two non-parallel sides. Oval A “squashed” circle.

14. Any Questions?