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Chapter 1-2 test
key terms for chapters 1-2
14
Mathematics
9th Grade
10/21/2012

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Term
Plane
Definition
A 2D shape that has a length and a width but no thickness.
Term
collinear
Definition
on the same side.
Term
coplanar
Definition
on the same place.
Term
Segment Addition
Definition
AB plus BC equals AC.
Term
Chord
Definition
a full line that goes through a circle.
Term
isometric drawing
Definition
a picture that shows 3 sides of a rectangle.
Term
inductive reasoning
Definition
it is the process of making generalizations by drawing pictures and gathering data.
Term
linear functions
Definition
rules that generate a sequence with a constant difference.
Term
Midsegment
Definition
A segment on the interior of a triangle is a midsegment is and only if it connects the midpoints of two sides of the triangle.
Term
Triangle Midsegment Conjecture
Definition
The mid segment of a triangle is parallel to the 3rd and is half the length of the third side.
Term
Parallelogram Consecutive Angles Conjecture
Definition
The opposite angles of a parallelogram are congruent.
Term
Parallelogram Consecutive Angles Conjecture
Definition
Adjacent angles in a parallelogram are supplementary.
Term
Parallelogram Opposite Sides Conjecture
Definition
The opposite sides of a parallelogram are equal in length.
Term
Parallelogram Diagonals Conjecture
Definition
The diagonals of a parallelogram are bisected by the point of intersection.
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