Angles
Triangles by Angles
Solving Equations
Complementary Angles
Supplementary Angles
100
A square is made up of 4 ____________ angles.
(Acute, right, obtuse, or straight)
Right (or 90o)
100
What kind of triangle is shown below?
(Acute, right, obtuse, or straight)
Right
100
Solve for x.
2x = 100
x = 50
100
What angle is complementary to 42?
48 degrees
100
What angle is supplementary to 134?
46 degrees
200
A right angle is exactly ____ degrees.
90o
200
What kind of triangle has two acute angles one obtuse angle?
Obtuse
200
Solve for x.
x - 18 = 54
x = 72
200
What angle is complementary to 85?
5 degrees
200
What angle is supplementary to 168?
12 degrees
300
A straight angle is __________ degrees.
180o
300
How many acute angles does an acute triangle have?
3 acute angles.
300
3x + 1 = 82
x = 27
300
What angle is complementary to 28?
62 degrees
300
What angle is supplementary to 135?
45 degrees
400
What is the definition of an acute angle?
An angle measuring less than 90 degrees.
400
A triangle has the following measurements: 95o, 75o, and 10o. Is this an acute, obtuse, or right triangle?
Obtuse triangle
400
5(x - 2) = 25
x = 7
400
What angle is complementary to 76?
14 degrees
400
What angle is supplementary to 17?
163 degrees
500
What is the definition of an obtuse angle?
An angle measuring more than 90 degrees.
500
How many degrees are in a square?
360o
500
2x = x +12
x = 12
500
What angle is complementary to 59?
31 degrees
500
What angle is supplementary to 178?
2 degrees