math
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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| acute angle | angle with a measure between 0 and 90 degrees
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| acute triangle | has 3 acute angles
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| adjacent angles | shares a vertex and a side but have no interior points in common
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| angle | formed by 2 rays with a common endpoint(vertex)
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| angle bisector | ray that divides an angle into angles of ewual measures
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| arc | part of a circle
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| central angle | an angle whose vertex is the center of a circle sum=360
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| chord | segment that has both endpoints on the circle
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| circle | set of points in a plane that are all the same distance
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| circle graph | graph of data where the circle represents the whole
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| compass | geometric tool used to ddraw circles or acrs
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| complementary | some adds up to 90 degrees
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| congruent angles | have the same measure
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| congruent polygons | 2 polygons are congruent if they have exactly the same shape and size
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| congruent sides | has the same length
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| decagon | 10-sided polygon
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| diameter | segment that passes throught the center of a circle and has both endpoints on the circle
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| perpendicular bisector | segment bisector that is perpendicular to the segment
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| regular polygon | polygon with all the sides and angles are congruent
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| segments | has 2 endpoints and all the points of the line between the endpoints
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| segment bisector | a line, segment, ir ray that goes throught the midpoint of a segment
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| skew lines | lie in different planes neither parallel nor intersecting
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| straight angle | angle of 180 degrees
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| isoscles triangle | triangle with atleast 2 congruent sides
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| scalene triangle | triangle with no congruent sides
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| equilateral triangle | 3 congruent sides
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| hexagon | 6-sided polygon
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| intersecting lines | 2 or more lines that cross eachother
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| irregular oolygon | measure greater than 90 but less than 180 degrees
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| line | series of points that extends in 2 opposite directios without an endpoint
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| midpoint | the point that divides the segment into 1 segments of equal length
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| obtuse angle | angle measure greater than 90 but less than 180
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| obtuse triangle | polygon, sides and or angles that aren't all congruent
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| octagon | 8-sided polygon
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| parallel lines | lines in the same plane that never intersect
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| parallelogram | quadrilateral with both pairs of opposite sides parallel
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| pentagon | 5-sided
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| perpendicular lines | intersect to form right angle
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| plane | is a flat surface that extends indefinitely in all directions
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| point | location that has no size
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| polygon | closed figures formed by 3 or more lines, lines don't cross
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| quadrilateral | 4-sided
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| radius | segement that connects the center to the circle
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| ray | one endpoint and all the points of the line on one side of the point
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| rectangle | parallelogram with 4 right angles
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| rhombus | parallelogram with 4 congruent sides
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| right triangle | one right angle of a triangle
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| square | parallelogram with 4 right angles and sides
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| trapezoid | exactly 1 pair of parallel sides
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Created by:
monto216
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