Ch. 3 test
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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| parallel lines | coplanar, do not intersect
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| perpendicular lines | intersect at 90 degree angles
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| skew lines | not coplanar, not parallel, do not intersect
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| parallel planes | planes that do not intersect
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| transversal | a line that intersects two coplanar lines at two different points
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| corresponding angles | lie on the same side of the transversal
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| alternate interior angles | nonadjacent angles that lie on opposite sides of the transversal
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| alternate exterior angles | lie on opposite sides of the transversal
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| same-side interior angles | lie on the same side of the transversal
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| corresponding angles postualte | if two parallel lines are cut by a transversal, then the pairs of corresponding angles are congruent
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| alternate interior angles theorem | if two parallel lines are cut by a transversal, then the pairs of alternate interior angles are congruent
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| alternate exterior angles theorem | if two parallel lines are cut by a transversal, then the two pairs of alternate exterior angles are congruent
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| same-side interior angles theorem | if two parallel lines are cut by a transversal, then the two pairs of same side interior angles are supplementary
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| converse of the corresponding angles postulate | if two coplanar lines are cut by a transversal so that a pair of corresponding angles are congruent, then the two lines are parallel
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| converse of the alternate interior angles theorem | if two coplanar lines are cut by a transversal so that a pair of alternate interior angle are congruent, then the two lines are parallel
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| converse of the alternate exterior angles theroem | if two coplanar lines are cut by a transversal so that a pair of alternate exterior angles are congruent, then the two lines are parallel
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| converse of the same-side interior angles theorem | if two coplanar lines are cut by a trnansversal so that a pair of same-side interior angles are supplementary, then the two lines are parallel
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| perpendiculare bisector | a line perpendicular to a segment at the segment's midpoint
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| distance from a point to a line | the length of the perpendicular segment from the point to the line
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| perpendicular transversal theorem | in a plane, if a transversal is perpendicular to one of two parallel lines, then it is perpendicular to the other line
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| rise | the difference in the y-values of two points on a line
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| run | the difference in the x-values of two points on a line
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| slope | the ratio of rise to run. y2-y1/x2-x1
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| point slope form | y-y1=m(x-x1)
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| slope-interept form | y=mx+b
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| vertical line | x=a
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| horizontal line | y=b
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| (pairs of lines)parallel lines | same slope, different y-intercept
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| intersecting lines | different slopes
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| coinciding lines | same slope, same y-intercept
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Created by:
kgr101297
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