Scale Drawings and Similar Figures Review BIHS

The actual length of a tunnel is 460 miles. If 1 in = 60 miles, what is the scale length of the tunnel?

• 0.13 inches

• 7.7 inches

• 400 inches

• 27600 inches

Find the scale factor for 10 cm = 5 m (Given that 1 m = 100 cm)

• 1 : 50

• 2 : 1

• 1 : 2

• 20 : 1

Set up a proportion to find the missing length:

• 2 meters

• 8 meters

• 18 meters

• 0.5 meters

If on a scale drawing 10 in = 15 ft, then a scale of 1/10 (or 0.1) inches would represent how many feet?

• 1500 feet

• 0.15 feet

• 15 feet

• 150 feet

What is the missing side "x" in the figure shown?

• 78.8 yards

• 2.9 yards

• 0.4 yards

• 50.4 yards

If 1 inch = 65 miles on a map, then how many inches would represent 2300 miles?

• 0.03 inches

• 35.4 inches

• 149500 inches

• 65 inches

The length of a road is 1000 miles. If 1 inch represents 100 miles, what is the length of the road on the map?

• 0.1 inches

• 1 inch

• 10 inches

• 100 inches

Given the similar triangles, what is the missing side length?

• 5 cm

• 3.2 cm

• 20 cm

• 10 cm

Find the scale factor for 10 inches = 20 feet (Given 1 foot = 12 inches)

• 1 : 2

• 6 : 1

• 1 : 24

• 5 : 1

Hattie wants to enlarge a triangle with side lengths 3 in, 6 in, and 6 in. If the shortest side of the new triangle is 13 inches, how long will the other two sides be?

• 6 inches and 6 inches

• 6.5 inches and 6.5 inches

• 26 inches and 26 inches

• 1.4 inches and 1.4 inches