# Shared Flashcard Set

## Details

Geom midterm review
words
16
Mathematics
10th Grade
12/16/2012

## Cards Return to Set Details

Term
 What does collinear mean and what is the opposite?
Definition
 Collinear means on the same line and the opposite is noncollinear
Term
 What does coplanar mean and what is the opposite?
Definition
 coplanar means on the same plane and the opposite is noncoplanar
Term
 How do you solve slope?
Definition
 rise over run y2-y1/x2-x1
Term
 What is the distance formula
Definition
 [image]
Term
 What is the midpoint formula
Definition
 [image]
Term
 if you want to create a parallel line what do you do with the y intercept and slope?
Definition
 y-intercept can change to whatever but slope must remain the same
Term
 What do you do to a line to make it perpendicular. What do you do with the slope and y intercept
Definition
 The y-intercept can change to whatever but the slope must must be the opposite like 3 would be -1/3 or -4 would be 1/4.
Term
 Median?
Definition
 vertex joining midpoint (can show centroid)
Term
 Perpendicular Bisector?
Definition
 line that Perpendicular at a midpoint (Can show Circumcenter)
Term
 Altitude?
Definition
 Perpendicular at a segment but no a bisector...it goes to a vertex (can show orthocenter)
Term
 Angle bisector?
Definition
 A line that cuts an angle into two congruent sides (Can show incenter)
Term
 Which are congruent Which are supplementary?LP, VA, CA, AIA, AEA, SSIA, SSEA
Definition
 LP, SSIA, SSEA -supplementaryVA, CA, AIA,AEA-congruent
Term
 Which determines a triangle congruent. Which does notASA, AAS,SSA,SAS, SSS, AAA, HL
Definition
 congruent-ASA,AAS, SAS, SSS, HLnot congruent-SSA, AAA
Term
 How do you find the sum of interior angles of a regular polygon
Definition
 n-2*180
Term
 How do you find each interior angle of a regular polygon
Definition
 n-2*180/n
Term
 How much do the sum of the exterior angles equal and how do you find each exterior angle
Definition
 360360/n
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