Angle Measure
Triangle Sum
Types of Angles
Similar 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

Are the two triangles Similar?

Yes, They are Similar!

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

Are the two triangles Similar? (Find the missing angle measures)

Yes, they are Similar!

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

Are the triangles Similar? (find the missing angle measures)

No, Non Similar! The angles are not all equal.

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

Are the triangles Similar? (Find the ratio between the side lengths)

Yes, they are Similar! Ratio = 12/6 or 2

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

Create two Similar Triangles using either Angle Measures or Side Lengths.

Based on your picture. 

500

Find the value of the pronumeral 'n'.

n = 113 degrees