Rigid Transformations
Geometry: Angles
Algebraaaaaaahh!!!
Computation
Scale Factors & Proportional Relationships
100

Which transformation means to slide a figure?

Translation 
100

What is a line that intersects 2 parallel line called?

Transversal 
100

x + 5 = 12  Solve for x

x = 7

100

Find the greatest common factor (GCF) of 12 and 16 

4

100

A figure has a side length of 3 inches. The scaled copy has a matching side of 6 inches. What is the scale factor?

2

200

Which transformation means to flip a figure across an axis?

Reflection 

200

2 angles that add up to 90 degrees are called?

Complimentary angles

200

x - 8 = 6  Solve for x

x = 14

200

Reduce 12/18 to lowest terms.  

2/3

200

A rectangle is 4 inches long. If the scale factor is 3, what is its new length?

12 inches

300

Which transformation means to turn a figure?

Rotation 

300

2 angles that add up to 180 degrees are called?

Supplementary angles. 

300

3x = 21 solve for x

x = 7

300

Multiply 2/3 x 3/4.  Simplify. 

1/2

300

A recipe uses 2 cups of flour for 4 servings. How many cups are needed for 8 servings?

4 cups 

400

What is the point/coordinate (0,0) called?

Origin

400

What is the sum of the interior angles of a triangle?  In other words total.  

180 degrees

400

x/4 =  6 solve for x

x= 24

400

Divide 2/3 by 1/4. Simplify.

8/3

400

Complete the proportional table: x = 2, 4, 6 and y = 6, 12, __

18

500

What is the fixed point around which a figure turns during a rotation called?

Center of rotation OR point of rotation.
500

A triangle with one angle measuring 50 degrees, and the second measuring 60 degrees.  What is the degree of the third angle?   

70 degrees. 

500

2x + 3 =  15 solve for x

x = 6

500

Add 2/3 + 1/4.  Hint.  Find least common multiple first. 

11/12

500

A drawing uses a scale of 1 inch = 5 feet. A wall measures 20 feet in real life. How long is the wall in the drawing?

4 inches.