Supplementary and Complimentary Angles
What is the sum of two complimentary angles?
ninety degrees
Define adjacent angles.
angles that share a ray
Is an angle that measures 85 degrees, acute, obtuse, or right?
acute
If one angle measures 50 degrees and another is 70 degrees, what is the measure of the third angle within a triangle.
60 degrees
What is the term for two angles that add up to 180 degrees?
supplementary
If one angle measures 50 degrees, what is the measurement of its supplementary angle?
130 degrees
Are vertical angles congruent? why or why not?
yes
Classify the triangle with angles measuring 45 degrees, 45 degrees, and 90 degrees.
right triangle
In a triangle, the angles are 2x, x, and 3x. Find the value of x.
30
Define vertical angles,
Two angles opposite each other that are congruent.
Define supplementary angles.
Two angles whose sum equals 180 degrees.
Do adjacent angles always form a straight line?
no
How many degrees are in a straight angle?
80 degrees
In a triangle, the angles are 40 degrees, 56 degrees, and 2x. Find the value of x.
42
What is the term for angles that are next to each other sharing a ray.
adjacent angles
Find the missing angle if one angle is 120 degrees and they are supplementary.
sixty degrees
If the measure of angle A = 70 degrees, what is the measure of the vertical angle to angle A?
70 degrees
Classify the triangle with angles measuring 40, 100, and 40 degrees. There are two sides the same length.
How many angles are there in a triangle and how are they related?
Three angles whose sum equals 180 degrees.
What are the three choices when identifying triangles by their angles?
acute, right, and obtuse.
What are two angles called that are a linear pair.
supplementary
What is the relationship between adjacent angles and a straight line?
Two adjacent angles can form a straight line and will equal 180 degrees.
Define an equilateral triangle according to its angles and sides.
All angles measure less than 90 degrees and all sides have the same measurements.
In a triangle, the angles are 75 degrees, 3x-75 degrees, and 120 degrees. Find the value of x.
zero
Equilateral, Isosceles, and Scalene