Vocab Flashcards
coplanar lines that do not intersect
Parallel lines
planes that don’t intersect
parallel planes
non-coplanar lines that do not intersect
Skew lines
Slope intercept form
M=y-y
____
X-X
Equation of a line
Y-y1=m(X-X1)
Distance formula
Square root over all the equation
(X-X)squared + (y-y)squared
Slope intercept form
Y=mx+b
What is the slope of of parallel lines
They have = slopes
Hat kind of slope do perpindicular lines have
They have slopes that are negative opp reciprocals
Standard form
Ax+by=c
What is a Horizontal slope
M=0
What is the slope of a vertical line
M=undefined
What does BAITC stand for
Base angles of an isosceles triangle are congruent
What does SOCATC stand for
Sides opposite congruent angles of a triangle are congruent
Same size and shape
Congruent
What is CPCTC stand for
Corresponding parts of congruent triangles are congruent
Equation for sum of int
(N-2)180
Equation for each int angle
(N-2)180
__________
N
What is the sum of ext
360
What is the equation for each ext
350/n
Mid segment
Base+base
____________=m
2
Mid segment of a triangle
Base
_____=m
2
Properties of parallelograms
Opp sides congruent Opp side parallel Diagonals bis E.O. Opp angles congruent Consecutive angles supp (180) Diagonals NOT congruent
