Angles All Around
Two angles that sum to 90 degrees are this
What is Complementary?
The 2 point postulate states this
What is only 1 line can be drawn through 2 points
Daily Double:
A right angle has this measure
90 degrees
This statement in conditional form would sound like:
All cats have whiskers
What is: If it is a cat, then it has whiskers.
Two lines are Parallel if they don't this.
What is Intersect
two adjacent angles that form a straight line are called these.
What is a linear pair
This postulate states that if 2 lines intersect, then their intersection is a point.
What is line intersection postulate
A circle has this many degrees in it
What is 360 degrees
If an animal is a cat, then it has whiskers.
State the inverse.
What is : If an animal is not a cat then it does not have whiskers
two parallel lines are cut by this aptly named line
What is a transversal
Angles 1 and 2 are supplementary, If angle 1 is 40 degrees then what is the measure of angle 2?
What is 50 degrees
This theorem states that vertical angles have equal measures.
What is Vertical Angles Congruence Theorem
Consecutive interior angles have this angle sum
what is 180 degrees
If an animal is a cat, then it has whiskers.
State the converse.
What is: If it has whiskers, then the animal is a cat
A vertical and a horizontal line are this.
What is Pependicular
Angles formed by the intersection of two lines are called these angles
What are vertical angles
What definition states: If Q is the midpoint of PR, then PQ ≅ QR
Definition of Midpoint
The measure of an obtuse angle is greater than this
90 degrees
If an animal is a cat, then it has whiskers.
State the contrapositive
What is: If it does not have whiskers, then an animal is not a cat.
The shortest distance between a point and a line is this
What is a perpendicular line
This measure is found from adding an acute angle with a right angle.
What is an obtuse angle
What definition states: If ∠1 is complementary to ∠2, then m∠1 + m∠2 = 90
Definition of complementary angles
A protractor can measure this amount
Using this law you can determine the conclusion if you are provided the hypothesis is true.
What is the law of detachment.
The name for the height a point is from a line.
What is Altitude