Classifying Angles
Adding Angles
Triangles
Parallel lines crossed by a transversal
Bonus algebra!
100
An angle that measures exactly 90 degrees
What is a right angle?
100
angles that add up to 90 degrees
What are complementary angles?
100
the measure that all the angles in a triangle must add up to
What is 180 degrees
100
angles that lie inside the parallel lines
What are interior angles?
100
2x = 16
What is 8?
200
An angle that is less than 90 degrees
What is an acute angle
200
angles that add up to 180 degrees
What are supplementary angles?
200
the measure of the third angle in a triangle where the other two angles are 45 degrees and 45 degrees respectively
What is 90 degrees
200
angles that lie outside the parallel lines
What are exterior angles
200
2x + 3 = 7
What is 2?
300
an obtuse angle
What is an angle that is over 90 degrees but less than 180 degrees?
300
the measure of angle A when angle A and angle B are complementary, and angle B is 25 degrees
What is 65 degrees
300
the measure of a third angle in a triangle where the other two angles are 90 degrees and 60 degrees respectively
What is 30 degrees
300
angles that are in the same position on the two parallel lines in relation to the transversal
What are corresponding angles
300
Simplify: 2(3x + 7)
What is 6x + 14?
400
A straight angle
What is an angle that measures exactly 180 degrees?
400
the measure of angle A when angle A and angle B are supplementary and angle B is 90 degrees
What is 90 degrees
400
the process of making a conjecture after observing several examples
What is inductive reasoning
400
the measure of alternate interior angles are...
What is "equal"?
400
2x + 4 = 3x - 8
What is 12?
500
two angles that have the same measure
What are congruent angles
500
the measure of angle A when angle A and angle B are supplementary, and angle B is 15 degrees
What is 175 degrees
500
the process of using facts you already know to derive a rule
What is deductive reasoning
500
the measures of corresponding angles are...
What is "equal"?
500
2(x + 4) = 7x - 9 3x + 14 = 7x - 10
What is 6?
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