For 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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| Circumference | C=2pi r or C=pi d
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| Pi | ≈3.14 or ≈22/7
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| Triangle | Polygons with three sides, three angles, three vertices
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| Equilateral | All sides congruent
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| Isoscles | At lest two side congruent
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| Scalene | No sides congruent
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| Equangular | All angles congruent
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| Point | A geometric object that has no dimensions, only a location
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| Plane | at surface that extends endlessly in all directions; two dimentional
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| Space | the set of all points;three dimentional
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| Line | A set of points along a straight path having no endpoints
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| Line segment | Pair of a line that has two endpoints
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| Ray | Part of a line that only has one endpoint
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| Angle | two rays jointed together with a common endpoint; the two rays are called the sides of an angle
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| Vertex | The common endpoint for an angle
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| Intersecting lines | Lines that have just one point in common
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| Supplementary angles | Two angles whose measure adds up to 180 degrees; any two right angles are supplementary
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| Complementary angles | Two angles whose measure adds up to 90 degrees
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| Transversal | A line that intersects two other lines
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| Adjacent angles | Two angles that share a side ( or ray ) and a vetex
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| Skew lines | Lines that are not in the same plane and do not intersect
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| Equilateral polygon | All sides congruent
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| Equiangular Polygon | All angles congruent
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| Parallelogram | Quadrilaterral with both pairs of opposite sides parallel
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| Corresponding angles | Two lines intersected by a transversal form corresponding pairs of angles; if the lines are parallel the corresponding pairs of angles are congruent
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| n- gon | 180(n-2)
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| area of a circle | A=pi r²
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| square root | ex.square root of 81=9
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| square | ex. 9 squared or 9² 81
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Created by:
alanjohnson2004
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