Triangles
Classify the triangle with the sides 5, 11, 12
Scalene
What vocabulary word describes opposite angles of intersecting lines that are congruent?
Vertical
Angle 2 and 3 are complementary. If angle 2 is 64 degrees, what is the measure of angle 3?
26 degrees
Angles 3 and 4 are vertical. If angle 3 is 87 degrees, what is angle 4?
87 degrees
Classify the triangle with the sides 14, 14, 14
Equilateral
What vocabulary word describes angles that are on opposite sides of the transversal and inside of the parallel lines?
Alternate interior angles
What kind of angles are angles 1 and 3?
Adjacent angles
Angle 1 and 6 are supplementary. If angle 1 is 123 degrees, what is the measure of angle 6?
57 degrees
Classify the triangle with the sides 1, 3, 5?
Not a triangle
What vocabulary word describes side-by-side angles that are supplementary?
Adjacent
Angle 3 and 5 are supplementary. If angle 3 is 18 degrees, what is the measure of angle 5?
162 degrees
Angle 5 and 8 are complementary. If angle 8 is 11 degrees, what is the measure of angle 5?
79 degrees
Classify the triangle with the sides 6, 8, 8
Isosceles
What vocabulary word describes two angles whose sum is 180 degrees?
Supplementary angles
If angle 2 is 111 degrees, what is angle 3?
111 degrees
If angle 3 is 140 degrees, what is the measure of angle 7?
140 degrees
Classify the triangle with the sides 10, 11, 21
Not a triangle
What vocabulary word describes two angles whose sum is 90 degrees?
Complementary angles
If angle 8 is 72 degrees, what is angle 3?
108 degrees
If angle 4 is 56 degrees, what is angle 2?
124 degrees