# Exam 1

**Created:**2017-02-14

**Last Modified:**2017-02-15

ex: beads on a necklace

Ex: laser beam/flashlight

Ex: pencil

Ex: snowflake

Ex: 4 way intersection

Ex: 377 and 35

Ex: protractors

Ex: tile floor

Ex: the angles of an equilateral triangle/ a ladder

Ex: corner of room

Ex: flat ground or floor

Ex: angle of a hockey stick

Ex: a clock at 7

Ex: clock at 11:15

Ex: railroad crossing sign

Ex: protractor

(ADDS TO 90)

Ex: 114 and 35 (t section)

-curves that don't intersect/cross

-can be open or closed

-no caves or indents

-no reflex angles

-have more than one reflex angle (reflex is more than 180)

-diagonals maybe outside the polygon

- polygons that have all sides congruent

(May or may not be regular)

-All interior angles are the same

Ex: pentagon/octagon

(May or may not be regular)

-polygon that has 4 sides

- angle sum=360

-Convex OR concave

- A quadrilateral with exactly 1 set of parallel sides.

-With at least one set of parallel lines

-Opposite angles are congruent.

-Adjacent angles are supplementary

-CONVEX ONLY

-Opposite angles congruent.

-Adjacent angles are supplementary.

-CONVEX ONLY

CONVEX ONLY

-A rhombus with all 90 degree angles.

CONVEX ONLY

UP ALWAYS ------- DOWN SOMETIMES

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