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Math
Geometry
Math Grade 7 - Parallel Lines, Transversals, & Algebra
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Terms in this set (12)
parallel lines
Two lines that never intersect. Arrows on lines indicate that they are parallel
transversal line
a line that intersects two or more lines
corresponding angles
angles in the same position on the parallel lines in relation to the transversal
These angles are always congruent
alternate interior angles
angles between 2 parallel lines and on opposite sides of a transversal. These angles are always congruent.
consecutive interior angles
angles that are on the same side of the transversal and inside the two parallel lines
Angle
formed by two rays with the same endpoint
Vertex
The common endpoint of an angle.
The middle letter must always represent the vertex
Angle naming
angles can also be named using just the vertex if it is the only angle located at that vertex
Vertical angles
Two angles that are across from each other, formed by intersecting lines. These angles are congruent
adjacent angles
two angles that share a common vertex and side. they are next to each other
Complementary angles
two angles in which the sum if their measures is 90
supplementary angles
two angles in which the sum of their measures is 180
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Verified questions
GEOMETRY
Events A and B are disjoint. Find P(A or B). P(A) = 1/3, P(B) = 1/4
GEOMETRY
Point R lies along the directed line segment from Y(-1, -4) to X(7, 6) and partitions the segment into the ratio 1 to 4. What is the slope of $$ \overline{YX}, $$ and how does this slope compare to the slope of $$ \overline{YR}? $$
GEOMETRY
Suppose you are given a triangle and are asked to draw all of its perpendicular bisectors and angle bisectors. For what type of triangle would you need the most segments? What is the maximum number of segments you would need? Explain.
GEOMETRY
Which of the following conjectures can be disproved with a counterexample? A. The product of any two even integers is even. B. The sum of any two prime numbers is even. C. Any integer divisible by nine is divisible by three. D. The measure of an obtuse angle must be between 90 and 180.