Vocab You Better Know
What is an angle whose degree measure is exactly 90?
right angle
Two angles are x and 36, what is the value of x?
54
All angles in a triangle must add up to what degree?
angles that add up to 90 degrees
What are complementary angles?
An angle that has less than 90 degrees?
acute angle
Two angles are 2x and 26, what is the value of x?
32
Two angles are 7x and 47, what is the value of x?
19
A triangle has side measurements of 2 in., 3 3/8 in. and 2 in. with a 113 degree angle. Classify the triangle by sides and angles.
What is obtuse isosceles triangle?
Two angles are 4x and 2, what is the value of x?
22
angles are across each other that are formed by intersecting lines
What are vertical angles?
Two angles are 2x + 3 and 63, what is the value of x?
12
Two angles are x - 22 and 135, what is the value of x?
67
In a triangle, angle one measures 50 degrees, angle two measures x-15 and angle three measures 4x. What is the value of x?
angles that are next to each other are called this
What is adjacent?
Two angles are 4x - 3 and x + 8, what is the value of x? What is the value of the smaller angle?
17; 25 degrees
In a right triangle, one angle measure 53 degrees and a third angle measures 2x+5 degrees. what is the measurement of the third angle?
If two angles are vertical and one angle is 5x and the other angle is 3x+28, what is the value of x? What is the value of the two angle?
x=14; 70 degrees