Complementary Angles
What angle is the complement of 43 degrees?
47 degrees.
What angle is the supplement of 80 degrees?
100 degrees.
Two angles are across in an 'X' (non-adjacent). One is equal to 45 degrees. What is the other equal to?
45 degrees.
Two angles in a triangle are 40 degrees and 30 degrees. What is the value of the third angle?
110 degrees.
What does "adjacent" mean?
Next to.
What angle is the complement of 63 degrees?
27 degrees.
What angle is the supplement of 137 degrees?
43 degrees.
Two angles are across in an 'X' (non-adjacent). One is equal to 123.5 degrees. What is the other equal to?
123.5 degrees.
One angle in a right triangle is equal to 35 degrees. What is the value of the third angle?
55 degrees.
What does "complementary" mean?
Angles that add to 90 degrees.
Two angles are complementary and congruent. What are the angles equal to?
45 degrees.
Two angles are supplementary and congruent. What are the angles equal to?
x = 90 degrees
Two angles across from each other in an 'X' are both obtuse. What word can describe the angles adjacent to the obtuse angles?
Acute.
Three angles in a triangle are congruent. What are the angles equal to?
x = 60 degrees
What does "Vertical Angles" mean?
Across in an 'X' (non-adjacent)
Two angles are complementary: one is 2x and the other is 50 degrees. What is the value of x?
x = 20 degrees.
Two angles are supplementary: one angle is 5x and the other is 60 degrees. What is the value of x?
x = 24 degrees.
Two angles are vertical. One is equal to 34 degrees and the other is equal to 17x. What is the value of x?
x = 2 degrees
The angles in a triangle are 110, 50, and 5x - 15. What is the value of x?
x = 7 degrees.
What does "supplementary" mean?
Angles that add to 180 degrees.
Two angles form a right angle. They are both equal to 4x - 7.
Two angles are supplementary: one angle is 10x - 2 and the other 122 degrees. What is the value of x?
x = 6 degrees.
Two angles are vertical. One is equal to 119 degrees and the other is equal to 10x + 9. What is the value of x?
The non-right angles in a right triangle are 2x and 3x. What is the value of x?
x = 18 degrees.
What does "congruent" mean?
Equal to.