Classify those angle
Types of Triangles
Finding angle measures
Exterior Angle Problems
Will it Make a Triangle?
100
Angles that are less than 90 degrees
Acute angles
100
Triangles that have all sides equal
equilateral triangles
100
The little box in the corner of a triangle or any figure represents what?
right angle
100
The Exterior Angle Theorem states that the exterior angle is equal to what?
The sum of the two opposite interior angles.
100
8, 4, 3
No it will not
200
Angles that are equal to 180 degrees
straight angles
OR
a straight line
200
Triangles that have no equal sides
scalene triangles
200
What is the measure of the interior angles of an equilateral triangle?
60 degrees
200
Find the exterior angle when the two opposite interior angles are 73 and 58.
131
200
9, 2, 8
Yes it will
300
Angles that are equal to 90 degrees
right angles
300
Triangles that have two equal sides
What is isosceles triangles
300
Two interior angle measures of a triangle are 74 degrees and 53 degrees. What is the measure of the third interior angle?
53 degrees
300
Solve for x.
x = 49
300
1, 1, 2
No it will not
400
Angles that are greater than 90 degrees but less than 180 degrees
obtuse angles
400
Triangles that have three angles less than 90 degrees
acute triangles
400
Can a triangle have these interior angle measures? Why or why not? 36.9 degrees, 110.4 degrees, and 33.7 degrees
No, they do not have a sum of 180 degrees.
400
Solve for x.
x = 12
400
10, 11, 2
Yes it will
500
The number of degrees in a triangle
180 degrees
500
Triangles that have one angle greater than 90 degrees
obtuse triangles
500
Find the measure of angle Y
62
500
What is the measurement of angle B? 
<B = 39o
500
The sum of two side lengths are greater than the third side length
Yes, it will make a triangle
600
What is the name for pairs of opposite angles formed by two intersecting lines?
vertical angles
600
What is the name for a triangle that has a right angle?
right triangle
600
The interior angles of a triangle are "x" degrees, "x + 70" degrees and 28 degrees. Find the value of x.
41
600
Measure of angle X=60 Measure of angle Y=40 What are the measures of the missing angles W and Z?
Measure of angle W=100 Measure of angle Z=80
600
The sum of two side lengths are equal to the third side length
No, this will not make a triangle