gr. 7P re-algebra terms
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| two rays with a common end point | angle
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| less than 90 angles and greater than zero | acute
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| line that intersects two parallel lines to form eight angles | transversial
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| ten sides | decagon
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| an angle with a measure equal to 180 degrees | straight
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| a transformation where a figure is flippled over a line (flip) | reflection
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| where three or more planes intersect in a point | vertex
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| (next to)two angles that have the same vertex share a common side and do not overlap | adjacent
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| a quadrilateral with exactly one pair of parallel sides | trapezoid
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| a never ending straight path | line
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| the most common unit of measure for angles | degrees
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| a parallelogram with all sides congruent and four right angles | square
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| line segments that have the same length, or angles that have the same measure, shape, or size (clone) | congruent
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| a parallelogram with four right angles | rectangle
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| circle | 360 degrees
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| twelve sides | dodecagon
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| the set of all points in a plane that are the same distance from a given point called the center | circle
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| two angles are ______ if the sum of their measures is 90 degrees | complementary
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| a polygon having three sides | triangle
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| a polygon having all sides congruent and all angles congruent | regular polygon
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| lines that intersect to form a right angle | perpendicular
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| part of a line contraining two endpoints and all the points between them | line segment
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| triangle with all sides congruent | equilateral
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| two angles are ______ if the sum of their measures is 180 degrees | supplementary
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| a closed figure with four sides and four vertices, including squares, rectangles, and trapezoids | quadrilateral
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| a quadrilateral with opposite sides parallel and congruent | parallelogram
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| having five sides | pentagon
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| having eight sides | octagon
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| a transformatin where a figure is slid from one position to another without being turned (slide) | translation
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| an angle with a 90 degree measure | right
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| having the same value | equal
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| a simple closed figure in a plane formed by three or more line segments | polygon
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| a triangle that has at least two congruent sides | isosceles
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| a parallelogram with four congruent sides | rhombus
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| having seven sides | heptagon
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| an instrument used to measure angles | protractor
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| a triangle with no congruent sides | scalene
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| a part of a line that extneds indefinitely in one direction | ray
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| having nine sides | nonagon
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| having six sides | hexagon
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| a transformation where a figure is turned around a fixed point (turn) | rotation
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| an angle from 91 degrees to 179 degrees | obtuse
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| lines that are in the same plane that do not intersect | parallel
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| straight line | 180 degrees
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Created by:
fhershey
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