lines and angles

Created by:

Sujatharr  on March 12, 2008

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all you need to know to pass Mrs Williams quiz

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lines and angles

 interior anglesan angle inside a transversal
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Definitions

interior angles an angle inside a transversal
exterior angles an angle outside the transversal
acute angles have measures less than 90 degrees
right angles has a measure of 90 degrees
obtuse angles have measures between 90 degrees and 180 degrees
straight angles has a measure of 180 degrees
vertical angles opposite angles formed by intersecting lines congruent.
adjacent angles have the same vertex, share a common angles, and do not overlap
complementary angles The sum of all the angles is equal to 90 degrees
supplementary angles The sum of the angles is 180 degrees
perpendicular lines lines that intersect and create right angles
parallel lines lines that never intersect
transversal a line that intersects two or more lines and creates eight or more angles
alternate interior angles those on opposite sides of the transversal and inside the other two lines, are congruent
alternate exterior angles those on opposite sides of the transversal and outside the other two sides of the two lines, are congruent
corresponding angles those in the same position on the two lines in relation to the transversal are congruent

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