Scale Factors Within Similar Shapes and Proportions

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

• Congruent
• Vertical
• Similar
• Complementary 

All angles in similar figures are congruent.  

• True
• False

Find missing side

• 5
• 7
• 9
• 11

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

• x = 9
• x = 28
• x = 7
• x = 63

Find the perimeter of the large triangle.

• 24
• 36
• 12
• 54

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

• x = 20
• x = 12
• x = 5
• x = 4

A picture of a school’s mascot is 18 in. wide and 24 in. long. It is enlarged proportionally to banner size. If the width is enlarged to 54 in., what is the length of the banner? 

• 72 in
• 60 in
• 62 in
• 80 in

Solve for X.

• 2 ft
• 3 ft
• 4 ft
• 6 ft

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

Which side length corresponds with EF?

• ML
• LM
• OL
• EH