Scale Factor and Drawings

What is a scale drawing?

• A drawing that shows a real object enlarged or reduced

• A drawing of the weight of an object

• A life size drawing of an object

• A drawing that shows all the sides of a building

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

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

• x = 12

• x = 3

• x = 40

• x = 4

If the scale factor is equal to 1, the copy is ________ the original.

• the same as

• smaller than

• bigger than

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

Scale Factor of 5 is _________________ .

• Reduction

• Enlargement

What is the scale factor from ΔDEF to ΔABC?

• 1/2

• 7/3

• 2

• 10/3

What is the scale factor from ABC to DEF?

• 2

• 3/2

• 2/3

• 1/2

This scale drawing shows a parking lot. What is the length of the longer side of the actual lot?

• 63 m

• 235 m

• 315 m

• 630 m

A to-scale figure of the space station is 4 inches long. If you know the scale for the space station is 1 inch to 5 yards, how long is the actual space station?

• 20 inches

• 20 yards

• 15 inches

• 25 yards