Similar Figures Review

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

• x = 9
• x = 28
• x = 7
• x = 63

The triangles are similar, solve for the question mark.

• 8
• 12.5
• 18
• 24

All angles in similar figures are congruent.  

• True
• False

Sides in similar figures must be proportional.  

• True
• False 

The distance between two cities on a map is 4.125 inches.  Find the actual distance if the scale on the map is 2 inches = 40 miles.

• 165 miles
• 50 miles
• 82.5 miles
• 41.25 miles

Amanda made a scale drawing of a square garden, which has a side length of 25 feet. She used the scale 2 inches = 5 feet.

What will be the area of the scale drawing?

• 10 in²
• 25 in²
• 100 in²
• 484 in²

Find the perimeter of the large triangle.

• 24
• 36
• 12
• 54

A rectangle has the dimensions 4cm by 5cm. A scale factor of 3 is used to enlarge the rectangle. What is the new area?

• 20 cm²

• 60 cm²

• 180 cm²

• 100 cm²

A tree house is 10 ft tall. A model of the tree house is 6 inches tall. What is the scale factor?

• 1:6

• 1:20

• 2:5

Find the triangle similar to △ABC

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