Angle Measure
Triangle Sum
Types of Angles
Types of Triangles
Exterior angle of Triangle
100
The measure of angle x.
35 degrees
Vertically Opposite Angles are equal
100
The measure of all the angles in a triangle added together
Angle sum of a triangle is 180 degrees
100
Angles that are opposite each other and are the same measure 
vertical angles
100
True or False:
An isosceles triangle has no equal sides
False
100
Find the value of the exterior angle.
21+31 = 52 degrees
200
The value of x
133 degrees
Straight angles add up to 180 degrees
200
True or False:
These angles can form a triangle
Angle 1: 100
Angle 2: 70
Angle 3: 30
False
They do not add up to 180 degrees
200
An angle that measure exactly 90 degrees
right angle
200
What kind of triangle is formed by these side lengths?
Side 1: 4 cm
Side 2: 5 cm
Side 3: 7 cm
Scalene Triangle
200
Find the value of the exterior angle.
77 + 77 = 154 degrees
300
The value of x
x = 43
Angles on a straight line add to 180 degrees
300
True or False:
These angles can form a triangle
Angle 1: 30
Angle 2: 80
Angle 3: 70
True.
They add up to 180 degrees
300
Angles that share a side (they are next to each other)
adjacent angles
300
True or False:
The triangle below is an acute isosceles triangle.
FALSE
300
Find the value of the pronumeral 'n'.
75 + 30 = 105 degrees
400
The measure of angle x
What is 104 degrees?
400
The value of the ? in the triangle
30 degrees
400
Angles that add up to 90 degrees
complementary angles
400
There are two names for this type of triangle. What are they?
Scalene and Obtuse-angled Triangle
400
Find the value of x and y
x = 80 (angle sum of triangle is 180)
y = 100 (exterior angle or angles on a straight line)
500
Angle A and angle B are complementary angles. If angle A is 2 times the measure of angle B, find the measure of angle B
30 degrees.
500
The value of the ? in the triangle
38 degrees
500
Angles that add up to 180 degrees
supplementary angles
500
There are two names for this type of triangle. What are they?
Isosceles and Right-angled Triangle
500
Find the value of the pronumeral 'n'.
n = 113 degrees