Vocabulary
Parallel Lines & Transversals
Triangles
Similar Figures
Angle Pairs
100
A line that intersects two or more parallel lines is called a ______.
What is a Transversal?
100
If a transversal intersects two parallel lines then all of the acute angles are_________.
What is Congruent?
100
The sum of all the angles of a triangle are equal to ___.
What is 180 degrees?
100

A tree casts a 25-foot shadow. At the same time, a 6-foot stick casts a shadow 4.5 feet long. How tall is the tree? (Hint: Draw a picture.)

33.33... feet

100

Two angles that are next to each other that add up to 90 degrees are considered what type of angle pair

What are Complementary Angles?

200
A triangle that has angles measuring 25 degrees and 90 Degrees and side length of 5cm. (Hint: Unique, more than one, or no triangle?)
What is a unique triangle?
200
Angles that share a side and a vertex but do not overlap are called this.
What are adjacent angles?
200
Interior angles: If y= 35 degrees and z= 48 degrees, then x is ____.
What is 97 degrees?
200

A flagpole is 10 feet high and casts a 18 foot shadow. If a person standing next to the flagpole casts a 6 foot shadow, how tall are they? (Hint: Draw a picture.)

3.33... feet

200

Two angles that are next to each other that form a linear pair add up to this many degrees.

What is 180 degrees?

300
When a transversal intersects two parallel lines, four ____ are formed on the inside of the parallel lines.
What are Interior angles ?
300
If <4 and <5 are supplementary and the measure of <5 is 61 degrees, then the measure of <4 is ____.
What is 119 degrees?
300
Triangle Inequality Theorem states that the sum of the two shorter sides of a triangle must be ________  than the longest side of the triangle.
What is greater?
300

On ground level, a person 6ft tall casts a shadow of 8ft. At the same time, a nearby tree casts a shadow of 20 ft. Find the height of the tree. (Hint: Draw a picture.)

What is 16 ft?
300
The angles that are across from each other when two lines intersect are called _____.
What are Vertical Angles?
400
When a transversal intersects two parallel lines, four ____ are formed on the outside of the parallel lines.
What are Exterior Angles?
400
If <7 and <1 are alternate exterior angles and the measure of <7 is 65 degrees, then the measure of <1 is ____.
What is 65 degrees?
400
Exterior Angles: If x= 27 degrees and y= 54 degrees, then z is ____.
What is 81 degrees?
400

The sides of a triangle measure, 6, 11, and 15.  If the smallest side of similar triangle measures 4, find the length of its longest side. (Hint: Draw a picture.)

What is 10?
400

If two parallel lines are cut by a transversal line, then the alternate interior angles are considered to be.

What is Congruent?

500
Triangles that have the same angle measurements but different side lengths.
What are similar triangles?
500
If <3 and <5 are corresponding and <3 is 55 degrees, then the measure of <5 is _____.  If <5 and <6 are a linear pair then the measure of <6 is _______.
What are <5=55 and <6=125?
500
A triangle that has these side lengths: 6cm, 2cm, and 20cm. (Hint: Unique triangle, more than one triangle, or no triangle.)
What is no triangle?
500

2. Triangles EFG and QRS are similar. The length of the sides of EFG are 144, 128, and 112. The length of the smallest side of QRS is 280, what is the length of the longest side of QRS?  (Hint: Draw a picture.)

What is 360?
500
Two angles that are on the same side of the transversal and they are both below the parallel lines.
What are corresponding angles?
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