Lines
Angles
Triangle Similarity
Ratios and Proportions
Miscelaneous
100
two lines that are the same distance apart and will never touch
What is parallel lines
100
This is the term for a 90 degree angle
What is right angle
100
States that two triangles are proven similar because they contain 2 equal angles.
What is the Angle Angle theorem
100
9/2 = 4/b
What 8/9 or .8888
100
A shape that has 6 sides is called
What is a hexagon
200
lines that intersect to form a right angle
What is perpendicular
200
An angle that is less than 90 degrees
What is acute
200
The three ways to prove two triangles are similar
What is AA, SAS, and SSS
200
4/x = 12/5
What is 5/3 or 1.67 (1.66666)
200
A shape with 5 sides is called
What is a pentagon
300
this has one endpoint and continues in one direction forever
What is a ray
300
Two angles add to 180 degrees
What is supplementary
300
For 2 triangles to be similar, their angles must be
What is Congruent
300
10/5 = (x+5)/30
What is 55
300
A right triangle has one angle that is 45 degrees. What is the measure of the 3rd angle
What is 45 degrees
400
This is part of a line
What is a line segment
400
Two angles created by cutting two parallel lines with a transversal. (They are located in the same spot but on 2 different lines).
What are corresponding angles
400
Triangle ABC has sides 5, 10, 15. Triangle DEF has sides 3, 6, 9. These two triangles are __________.
What is similar
400
12/4 = (2x-2)/6
What is 10
400
A quadrilateral has 3 angles measuring 90 degrees, 100 degrees, and 70 degrees. What is the measure of the 4th angle?
What is 100 degrees
500
This is a closed figure with at least 3 sides.
What is a polygon
500
Two angles are vertical pairs. One angle equals 56 degrees, the second equals 6x + 2 degrees. Find the value of x.
What is 9
500
The larger of two similar triangles has lengths of 52.5, 70, x. The smaller of two similar triangles has lengths of 15, 20, 25.
The length of the longest side of the largest triangle.
What is 87.5
500
9/11 = (n-6)/(n+9)
What is 73.5
500
A boat has a sail with one pair of perpendicular lines, and two sides the same length. What kind of triangle is it?
What is Right, isosceles