Describe a right angle
What is an angle whose degree measure is exactly 90?
30 and x are complementary angles. What is the value of the unknown angle?
What is 60 degrees?
Describe an acute angle
What is an angle whose degrees measure is less than 90?
140 and x are supplementary angles. What is the value of the unknown angle?
What is 40 degrees?
Describe an obtuse angle
What is an angle whose degree measure is greater than 90 and less than 180?
2x + 6 = 3x shows two angles that are vertical. What is the value of x?
*DOUBLE THE POINTS* What is the angle measurement?
What is 6? What is 18 degrees?
Describe a straight angle
What is an angle whose degrees measure is exactly 180 and forms a straight line?
One of my angles = x and the other = 4x. What is the value of x?
What is 18?
One of my angles = x and the other = 4x. What is the value of x?
What is 36?
30, 60 and x are all angles in a triangle. What is the value of the unknown angle?
What is 90 degrees?
Describe a reflex angle
What is an angle whose degree measure is greater than 180 and less than 360?
One of my angles = x + 2 and the other = 3x. What is the value of x?
What is 22?
One of my angles = x + 20 and the other = 3x. What is the value of x?
What is 40?
25, 75 and 2x are all angles in a triangle. What is the value of x?
What is 40?
Triangles that are congruent (the same) no matter how you “flip” or “turn” them.
What is unique?