Scale Drawings

Front

What is a scale drawing?

Back

A scale drawing is a representation of an object that is proportional to its actual size, using a specific ratio or scale.

Front

What does the scale 1 inch = 4 feet mean?

Back

It means that every 1 inch on the drawing represents 4 feet in real life.

Front

If a flagpole measures 12 inches on a scale drawing with a scale of 1 inch = 4 feet, how tall is the actual pole?

Back

48 feet.

Front

What is a scale factor?

Back

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

Front

If a scale drawing is enlarged by a scale factor of 5/2, what does this mean?

Back

It means the drawing is 2.5 times larger than the original size.

Front

How do you find the actual size from a scale drawing?

Back

Multiply the measurement on the drawing by the scale factor.

Front

In a picture, if the coffee mug uses a scale of ½ inch = 3 cm, what is the actual length of a 2 inch coffee mug?

Back

12 cm.

Front

What is the purpose of using scale drawings?

Back

Scale drawings help visualize and represent large objects or distances in a manageable size.

Front

If two rectangles are scale drawings, how can you find the missing measurement?

Back

Use the scale factor to set up a proportion and solve for the unknown measurement.

Front

What is the relationship between scale drawings and proportions?

Back

Scale drawings are based on proportions, where the dimensions of the drawing and the actual object maintain a consistent ratio.