Scale Factors Within Similar Shapes and Proportions

• A
• B
• C
• D

The blueprint(drawing) of this house has a length of 6 inches.  The actual house has a length of 18 feet.  What is the scale used?

• 1 inch: 3 feet

• 1 inch: 6 feet

• 3 inches: 6 feet

• 3 inches: 12 feet

The triangles are similar, solve for the question mark.

• 8

• 12.5

• 18

• 24

Complete each proportion.
CB / DM  =  AC / ?

• BM

• MA

• BC

• AD

Solve for X.

• 2 ft

• 3 ft

• 4 ft

• 6 ft

Scale: 1in.=7ft. The actual width of the backyard is 49 ft, how wide is it in the drawing?

• 14 in 

• 7 in

• 42 in

• 56 in

Find side length X.

• 30

• 25

• 15

• 40

Sides in similar figures must be proportional.  

• True

• False 

In similar Polygons, corresponding sides are ___ and corresponding angles are ___. (Fill in the blanks)

• congruent, proportional 

• proportional, congruent 

• congruent, congruent

• proportional, proportional

If the scale factor is 4, what is the measurement of x?

• 20 m

• 24 m

• 16 m

• 4 m