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Angle and Triangle Vocabulary
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These can make a right angle when put together.
complementary angles
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This angle equals exactly 90 degrees
right angle
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Name all three relationships between angle 1 & angle 2
adjacent, supplementary, linear
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This angle measures more than 90 degrees and less than 180 degrees.
obtuse angle
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This type of angle measures less than 90 degrees.
acute angle
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These angles are always next to each other.
adjacent angles
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Every triangle will have at least one of these types of angles.
acute angle
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These angles add up to equal 180 degrees.
supplementary angles
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Name two relationships between the angles pictured
adjacent and complementary
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These angles are always equal to each other.
vertical angles
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This angle makes a corner.
right angle
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What type of triangle is this?
acute scalene
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These angles always share a vertex, but are not next to each other.
vertical angles
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Name this triangle
right isosceles
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A 42 degree angle is an example of this type of angle.
acute angle
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These angles add up to equal 90 degrees.
complementary angles
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Name this triangle
acute equilateral
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These angles are congruent.
vertical angles
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