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Geometry (Intro to angles and triangles)
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Terms in this set (16)
Types of Angles
...
acute
angle less than 90
obtuse
angle greater than 90
right
90 degree angle
straight
180 degree (straight line)
complementary angles
pairs of angles that add up to be 90
supplementary angles
pairs of angles that add up to be 180
vertical angles
formed by intersecting lines. Angles across from each other are congruent
sum of all angles in a triangle equal
180
acute triangle
triangle with 3 angles less than 90 degrees
equiangular triangle
triangle with all angles congruent
right triangle
has one right angle
obtuse triangle
triangle with one angle greater than 90
scalene triangle
all sides are different measures
isosceles triangle
2 congruent sides and 2 congruent angles
Equilateral triangle
all sides are congruent (same as equiangular)
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