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# Geo Scavenger Hunt

### Course 1 Chapter 9

TermDefinition
straight angle An angle whose measure is exactly 180 degrees.
obtuse angle An angle whose measure is > 90 and <180 degrees.
right angle An angle whose measure is exactly 90 degrees.
acute angle An angle whose measure is < 90 degrees.
supplementary angle Two angles are supplementary if the sum of their measures is 180 degrees.
corresponding angel Angles that occupy corresponding positions When a line intersects two other lines. When a line intersects two parallel lines, corresponding angles are congruent.
complementary angle Two angles are complementary if the sum of their measures is 90 degrees.
congruent angles Angles of the same measure.
verticle angles When two lines meet at a point,the opposite angles.
adjacent angles Two angles on a flat surface that share a common side and a vertex and do not overlap.
plane A flat surface that extends without end.
acute triangle A triangle with 3 acute angles.
right triangle A triangle with a 90 degree angle.
obtuse triangle A triangle with an obtuse angle.
trapezoid A quadrilateral with exactly 1 pair of parellel sides.
parallelogram A quadrilateral with 2 pairs of parallel sides.
rectangle A parallelogram with 4 right angles.
square A parallelogram with 4 right angles and 4 congruent sides.
rhombus A parallelogram with 4 congruent sides.
isosceles triangle A triangle with two congruent sides
equilateral triangle A triangle with three congruent sides.
scalene triangle A triangle with no congruent sides
diagonal line A segment, other than a siide, that connects two vertices of a polygon.
perpendicular lines Lines which meet to form four right(90 degree) angles
intersecting lines Two lines that meet at a point.
parallel lines Two lines which never intersect
hexagon A polygon with six sides
pentagon A polygon with five sides
octagon A polygon with eight sides
Created by: mrsdavidovich