Ratio and Similarity

If two figures are similar, the corresponding sides are ______________.

• equal

• congruent

• proportional

• perpendicular

If two figures are similar their angles are______.

• proportional

• congruent

• supplementary

• perpendicular

What is the scale factor from MNOP to ABCD?

• 2/3

• 3/2

• 2

• 3

The pair of figures is similar. Find the missing side.

• x = 12

• x = 3

• x = 40

• x = 4

What is ratio of any two corresponding sides?

• Scale Factor

• Corresponding Sides

• Similar Figures

The scale drawing car length 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

A tree is 12 feet tall and casts a shadow 9 feet long. A building nearby casts a shadow that measures 24 feet. How tall is the building? (Draw a picture, set up a proportion)

• 24 feet

• 21 feet

• 27 feet

• 32 feet

The scale of a mug in a picture is ½ in.=3 cm. Find the actual length of the 4 in. coffee mug.

• 24 cm

• 6 cm

• 30 cm

• 13 cm

Scale is 1cm = 8km. Hatboro and Smithville are 24cm apart on the map, what is the actual distance between the 2 cities?

• 87 km

• 216 km 

• 33 km

• 192 km

Find missing side.

• 1/5

• 5

• 7

• 1/7