Classify those angles
Types of Triangles
Sum of Triangles
Finding angle measures
Triangle Sides
100
Two angles that are equal to 180 degrees
supplementary angles
100
Triangles that have all sides equal
equilateral triangles
100
What is the sum of the angles of a triangle?
180 degrees
100
The little box in the corner of a triangle or any figure represents what?
A right angle
100
The triangle inequality theorum states that: The sum of the two ___________ angles needs to be greater that the third.
Smallest
200
Angles that are equal to 90 degrees
right angles
200
Triangles that have no equal sides
scalene triangles
200
In a triangle one of the angles is 90 degrees, the other two angles are the same and they are complimentary. What do they measure?
45
200
What is the measure of one of the angles of an equilateral triangle?
60 degrees
200
True or False triangle be made with the following side lengths, 2 cm, 5 cm and 8 cm.
False
300
Angles that are greater than 90 degrees but less than 180 degrees
obtuse angles
300
Triangles that have two equal sides
isosceles triangles
300
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.
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
True or False, a triangle with the sides 4.6 inches, 8.3 inches and 4.5 inches can be made.
True
400
Two angles that add up to 90 degrees
complimentary
400
Triangles that have three angles less than 90 degrees
acute triangles
400
The interior angles of a triangle are 84 degrees and 28 degrees and _____ degrees.
68
400
Two angles in a triangle are 105 and 63, What is the missing angle length?
12
400
Given side lengths of 7 cm and 13 cm what is the shortest whole number side length a triangle could have?
7 cm
500
What is the name for pairs of opposite angles formed by two intersecting lines?
Vertical Angles
500
Triangles that have one angle greater than 90 degrees
obtuse triangles
500
What is the missing angle measurement?
60
500
2 angles in a triangle are 41 and 13. What is the missing angle measure?
126
500
Given a triangle with the side lengths of 9 inches and 13 inches what is the longest whole number side length it could have?
21 inches