review scale drawings

Front

What is a scale drawing?

Back

A scale drawing is a representation of an object or area that maintains the proportions of the original, using a specific ratio to reduce or enlarge its size.

Front

What does the scale 1 inch : 3 feet mean?

Back

It means that 1 inch on the drawing represents 3 feet in real life.

Front

If a tent is 6 feet wide in reality, how wide is it in a drawing using the scale 1 inch : 3 feet?

Back

2 inches.

Front

How do you convert real-life measurements to scale measurements?

Back

Multiply the real-life measurement by the scale factor.

Front

What is the scale factor in the scale drawing 5 centimeters : 2 meters?

Back

The scale factor is 1 cm : 0.4 m.

Front

If a parking lot is 34 meters wide in reality, how wide is it in a drawing using the scale 5 cm : 2 m?

Back

85 centimeters.

Front

What is the height of a 360-foot tall building in a scale drawing where 1/4 inch = 10 feet?

Back

9 inches.

Front

How do you find the new perimeter of a shape when enlarged by a scale factor?

Back

Multiply the original perimeter by the scale factor.

Front

What is the new perimeter of a rectangle with an original perimeter of 30 cm when enlarged by a scale factor of 4?

Back

120 cm.

Front

If a deck is 90 inches long in a drawing with a scale of 3 inches : 2 feet, what is its actual length?

Back

60 feet.