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Geometry Quiz

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right angle
angle that is 90˚
acute angle
angle that is less than 90˚
obtuse angle
angle that is more than 90˚
straight angle
180˚
complementary
two angles that equal 90˚
supplementary
two angles that equal 180˚
adjacent
angles that are right next to each other
vertical
congruent (X)
transversal
a line that crosses two or more lines
corresponding
___________ angles are the same. They are congruent.
alternate interior
congruent (hint: ≠)
isosceles
a triangle with two equal sides
equilateral
a triangle with all equal sides
scalene
a triangle with NO equal sides
acute
a triangle with all acute angles
right
a triangle with a right angle
obtuse
a triangle with an obtuse angle
quadrilateral
4 sided polygon
trapezoid
quadrilateral with one pair of parallel lines
parallelogram
quadrilateral with two sets of parallel lines
rectangle
parallelogram with 4 right angles
rhombus
parallelogram with 4 congruent sides
square
parallelogram with 4 congruent sides and 4 right angles
polygon
geometric figure with 3 or more line segments that intersect only at their endpoints.
regular polygon
polygon with all congruent sides and all congruent angles
hexagon
6 sided polygon-720˚
heptagon
7 sided polygon-900˚
octagon
8 sided polygon-1080˚