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Middle School Math: Guardian Angles

Word List with 15 words
*By Dictionary.com

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Words in This List

adjacent angle
plural n.
two angles having the same vertex and having a common side between them.
angle
n.
the space within two lines or three or more planes diverging from a common point, or within two planes diverging from a common line.
complementary angle
n.
either of two angles that added together produce an angle of 90°.
corresponding angle
plural n.
two nonadjacent angles made by the crossing of two lines by a third line, one angle being interior, the other exterior, and both being on the same side of the third line.
obtuse angle
n.
an angle greater than 90° but less than 180°.
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reflex angle
n.
an angle greater than 180° and less than 360°.
right angle
n.
the angle formed by two radii of a circle that are drawn to the extremities of an arc equal to one quarter of the circle; the angle formed by two perpendicular lines that intersect; an angle of 90°.
straight angle
n.
the angle formed by two radii of a circle that are drawn to the extremities of an arc equal to one half of the circle; an angle of 180°.
supplementary angle
n.
either of two angles that added together produce an angle of 180°.
transversal
n.
a line intersecting two or more lines.
acute angle
noun
angle that measures less than 90 degrees
angle bisector
noun
line or ray that divides an angle in half
congruent figures
noun
figures having same shape and same size
parallel lines
noun
lines that are the same distance apart
perpendicular lines
noun
lines that intersect at right angles to each other

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14 words

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