Geometry SafariSania Mirzanschall, Charles Rareshide, Troy Trotter, Nick

Walton, Kim Weaver

Team 5

Pictures taken from the streets and sidewalks of Center City Philadelphia

Collinear

Points that lie on the same line

Parallel Lines

Lines in the same plane that never intersect

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

Parallelograms

Quadrilaterals with two pairs of parallel and congruent opposite sides

Isosceles Triangles

Triangles that have two congruent sides

Right Triangle

A triangle that has one right (90 degree) angle

Regular Hexagons

Polygons with six congruent sides and six congruent angles

Concentric Circles

Circles that share the same center

Sector of a Circle

The region between the central angle and its intercepted arc

Segment of a Circle

The region between a chord the included arc

SquareA quadrilateral with all sides congruent and all

angles 90 degrees.

RhombusA quadrilateral with all sides congruent and no

90 degree angles.

CircleAll points that are equidistant from a central point.

TrapezoidA quadrilateral with two parallel sides and two non-parallel sides.

OvalA “squashed” circle.

Any Questions?