Scale Drawings

Front

What is a scale drawing?

Back

A scale drawing is a representation of an object or area that is proportionally reduced or enlarged to fit a specific scale.

Front

What does scale factor mean?

Back

The scale factor is the ratio of the dimensions of the drawing to the dimensions of the actual object.

Front

If the scale factor is 2, what does that mean?

Back

It means that the drawing is twice the size of the actual object.

Front

How do you convert inches to feet using a scale of 2 inches : 1 foot?

Back

Divide the number of inches by 2 to find the actual length in feet.

Front

What is the actual length if a drawing measures 104 inches at a scale of 2 inches : 1 foot?

Back

The actual length is 52 feet.

Front

How do you calculate actual distance using a map scale of 1 cm = 5 km?

Back

Multiply the distance on the map by 5 to find the actual distance in kilometers.

Front

If two cities are 3 cm apart on a map with a scale of 1 cm = 5 km, what is the actual distance?

Back

The actual distance is 15 km.

Front

What is the formula to find the width in a drawing if the actual width is known?

Back

Width in drawing = Actual width / Scale factor.

Front

If the actual width of a backyard is 49 ft and the scale is 1 in = 7 ft, how wide is it in the drawing?

Back

The width in the drawing is 7 inches.

Front

What is the relationship between scale drawings and similar figures?

Back

Scale drawings are similar figures that maintain the same shape but differ in size.