Vocabulary
Vocabulary Part 2
Finding Unknown Angle Measures
Angle Relationships Part 2
Angles of a triangle
100

Any line that intersects two or more  lines.

What is a transversal

100
If two parallel lines are cut by a transversal, these 4 angles are all on the inside of the two parallel lines.
What are Interior Angles
100

Two angles are congruent. The measure of the first angles is 42 degrees, what is the measure of the second angle

What is 42

100

A building's shadow is 35 feet long.  A nearby stop sign has a shadow of 16 feet, and the stop sign is 7.5 feet tall.  How tall is the building?  Round to the tenth.

What is 16.4 feet.

100
How many degrees do all the interior angles of a triangle add up to?
What is 180.
200
Two angles whose measures add up to 180 degrees
What are supplementary angles
200

lines that do not intersect.

What are parallel lines

200

Two angles are supplementary.  One of the angles is 2x + 10 and the other is 3x + 20.  What are the measures of the two angles?

What is 70 & 110?

200

Three angles form a straight line.  the first angle is 2x, the second is a right angle, and the third is 3x + 20.  Solve for x.

What is 14

200
If a triangle has one interior measure of 72 degrees, and one of 86 degrees, what is the third measure?
What is 22.
300
When 2 parallel lines are intersected by a transversal, these angles occupy the same spot on each of the parallel lines.
What are Corresponding Angles.
300

Two lines cross and form two pairs of opposite angles.  These opposite angles are called.......?

What are vertical angles.

300

Two parallel lines are cut by a transversal, and two corresponding angles are formed.  One angle is 3x + 20, the other is 56.  Solve for x.

What is 12.

300

Angles 1 & 2 are 35 and 45% of the sum of the angle measures of a triangle.  Find the measure of the 3rd angle (not the %).

What is 36

300
If a triangle has one angle of 80 degrees, and the other two angles are congruent to each other, how many degrees are the missing angles?
What is 50 degrees.
400
The term for when 2 angles have the same measurement.
What is Congruent
400
If two parallel lines are intersected by a transversal these 4 angles are all located on the outside of the two parallel lines.
What are Exterior Angles.
400

The two non-adjacent interior angles of a triangle are x + 35 and 2x - 10.  The exterior angle of the triangle is 6x - 55.  Find the measure of the exterior angle.

What is 65 degrees.

400

How do you determine if two triangles are similar?

You need to have at least 2 pairs of congruent angles.

or

Side lengths are proportionate.

400
If the measure of one angle of a triangle is 24 degrees, and the other is 113 degrees, what is the measure of the third?
What is 43 degrees.
500
When 2 parallel lines are intersected by a transversal these angles are inside of the two parallel lines and on opposite sides of the transversal.
What are Alternate Interior Angles.
500
When 2 parallel lines are cut by a transversal these angles are outside of the parallel lines and on opposite sides of the transversal.
What alternate exterior angles?
500

Three angles together form a right angle.  The first angle is x + 35, the second is 2x + 10, and the third is 3x - 15.  Find the measure of all 3 angles from least to greatest.

What is  45, 30, and 15 degrees.

500

The ratio of the interior angles of a triangle are 2:3:4.  What are all three angle measures of the triangle?

What is 40, 60, and 80.

500
If one angle of a triangle has an interior measure of 61 degrees, what would its exterior supplementary angle measure be?
What is 119 degrees.
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