Scale Drawings and Models

A scale drawing of a rectangular park is 5 inches wide and 7 inches long. The actual park is 280 yards long. WHAT IS THE SCALE?

• 1 in to 40 yd

• 1 in to 52 yd

• 1 in to 56 yd

• 1 in to 64 yd

What is a scale drawing?

• A two-dimensional representation of an actual object or place.

• This line segment from the center of a circle to a point on the circle.

• When two lines cross, they form two pairs of vertical angles across from one another.

• An image that has been made bigger and all the angles change size.

True or False: The scale tells us what some length on the scale drawing represents in actual length

• True

• False

Your scale is 1 inch to 5 miles. If the drawing shows a road that is 2 inches long, how many miles is the actual road?

• 5 miles

• 2.5 miles

• 10 miles

• 7 miles

Lin has a scale model of a modern train. The model is created at a scale of 1 to 48. The height of the model train is 102 millimeters. What is the actual height of the train?

• 4,896,000 millimeters

• 4,896 millimeters

• 48.96 meters

• 2.125 millimeters

A map has a scale of 1 cm=5km.  On the map, two cities are 3 cm apart. What is the actual distance between these cities? 

• 7 km

• 5 km

• 15 km

• 17 km 

Scale: 1in.=7ft. The actual width of the backyard is 49 ft, how wide is it in the drawing?

• 14 in

• 7 in

• 42 in

• 56 in

Review the picture.  Find the missing side measurement in the picture using a proportion.

• w = 18 m

• w = 6 m

• 6 m

• w = 0.16 m

ABCD is the original, EFGH is the copy. If angle E is 30^o, what is angle A?

• 15^o

• 30^o

• 60^o

• 90^o

A scale drawing of a rectangular park is 5 inches wide and 7 inches long. The actual park is 280 yards long. How wide is the actual park?

• 40 yd

• 56 yd

• 200 yd

• 378 yd