Scale Drawing and Similar Shapes

Complete each proportion.
CB / DM  =  AC / ?

• BM

• MA

• BC

• AD

Two objects that are the same shape but not the same size are _______.

• Congruent

• Vertical

• Similar

• Complementary 

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

Find the height of the tree.

• 8 ft

• 12 ft

• 13 ft

• 15 ft

The length of the car in the drawing is 3 cm. If the scale is 1 cm:4 ft, what is the actual car length?

• 12 feet

• 16 feet 

• 10 feet

• 4 feet

8 ft

12 ft

12.5 ft

25 ft

• 8 ft

• 12 ft

• 12.5 ft

• 25 ft

Vocabulary:  A proportional drawing of an object.

• similar figures

• scale drawing

• scale

• constant of proportionality

Two objects that have the same shape but not the same size are _______.

• Constant

• Equal

• Similar

• Rational

A model of a planned baseball stadium is 2 ft wide. The actual stadium will be 200 yd wide. What is the scale?

• 2 feet = 50 yards

• 1 foot = 200 yards

• 1 foot = 100 yards

• 1 foot = 50 yards