Angles
Two perpendicular lines intersect and create
this type of angle.
A right angle
Name the property ?
PQ = PQ
Reflexive property
What is the least amount of points needed to create one line?
2 points
A triangle with no equal sides is called ?
This describes a location. It has no width or length.
a point
Name for 2 angles that have a sum of 90 degrees ?
complementary angles
If a = b, then b = a...... is an example of what property?
Symmetric property
If Q is between A and M and MQ = 7.3 and AQ = 8.5, then AM = ___?
15.8
measures ?
60o
to cut an angle in half
bisect
IF 2 parallel lines are cut by a transversal,
then the consecutive interior angles are ____?__
supplementary
Name the property:
If 3x - 2 = 18, then 3x = 20
Addition property of equality
What do you call 2 lines that don't intersect AND are not in the same plane???
skew lines
In a triangle ABC, angle A = 56o, angle B =78o, then
what is the measure of angle C ??
46o
This is the point that cuts a segment into 2 equal parts.
midpoint
Angles 1 and 2 are vertical angles.
If angle 1 = 48o then what is the measure of angle 2?
48o
__ __ __
If Q is the midpoint of PQ, then PQ ≅ QR
Definition of Midpoint
Line a has a slope of 1/2. If line a is parallel to line b, then what is the slope of line b?
1/2
A triangle with all angles less than 90 degrees is called
an _______? _____ triangle
acute
2 angles or 2 segments with the same measure are called ?
congruent
Two adjacent angles that are supplementary are called?
a linear pair
Name the property:
If 2(x + 3) = 24, then 2x + 6 = 24. ?
Distributive property
Lines a and b are perpendicular.
If line a has a slope of 2/3, then line b has what slope?
-3/2
An Isosceles triangle has one of the base angles that
equals 55o. What is the measure of the vertex angle in the triangle?
70o
2 lines that intersect at right angles
perpendicular lines