Words Worth Knowing
Angle Relationships
Angle Equations
Triangles and Quadrilaterals
Grab Bag
100
When two lines intersect, these angles are equal.
What are opposite angles
100
This angle relationship:
What are complementary angles
100
The value of angle x:
What is x=206
100
The value of angle y:
What is y=103
100
Lines that never cross over each other
What are parallel lines
200
Angles that make a "z pattern" with parallel lines
What are alternate angles
200
This angle relationship:
What are alternate angles
200
The value of angle x:
What is x=12
200
The value of angle x:
What is x=105
200
The value of this angle:
What is 90 degrees
300
A line that crosses over two parallel lines
What is a transversal
300
This angle relationship:
What are supplementary angles
300
The value of angle y:
What is y=99
300
The value of angle x:
What is x=40
300
The value of angle s:
What is 120 degrees
400
Angles of parallel lines that add up to 180 degrees
What are interior angles
400
This angle relationship:
What are corresponding angles
400
The value of angle "y":
What is y=9
400
The value of angle x:
What is x=20
400
The value of x:
What is x=35
500
The angle outside a triangle is equal to the sum of the two furthest angles inside a triangle
What is the E.A.T. (External Angle Theorem)
500
The relationship between angles A and C:
What are corresponding angles
500
The value of angle x:
What is x=17
500
The value of angle x:
What is x=4
500
The value of angle x:
What is x=31