terms
rules
solve
triangles
proofs
100
What is angle 1 and angle 2?
corresponding angles
100
rules for 180 degree clockwise rotation
x,y -> -x,-y
100
what is angle x?
65 degrees
100
equilateral triangle
all sides are equal
100
what is the reason for #3?
substitution
200
what is angle 2 and 4
vertical angles
200
rules for 180 degree counter-clockwise rotation
x,y -> -x,-y
200
what is angle a
a= 50 degrees
200
right triangle
has at one 90 degree angle
200
reason for #4
transitive property
300
what is this symbol?
congruent
300
rules for 90 degree counter clockwise rotation
x,y -> −y,x
300
find the missing angle
128 degrees
300
all angles are under 90 degree is what triangle?
acute triangle
300
reason for #3?
transitive property
400
what is a vertex?
the point where two rays or line segments meet to form an angle.
400
rules for 270 degree counter clockwise rotation
x,y -> y,-x
400
solve for angle 1?
117 degrees
400
obtuse triangle
a triangle with an angle above 90 degree
400
what is reason 2?
defintion of supplementary
500
what is bisector
a line that divides a line segment or an angle into two equivalent parts.
500
rules for reflection over x axis
x,y -> x,-y
500
solve for angle 1
118 degrees
500
scalene triangle
no sides equal