Scale Drawings/Similar Shapes

Front

What is a scale drawing?

Back

A scale drawing is a representation of an object or space that is proportionally reduced or enlarged to fit a specific size, maintaining the same shape and proportions.

Front

What is a scale factor?

Back

A scale factor is a number that scales, or multiplies, the dimensions of a shape in a scale drawing. It indicates how much larger or smaller the drawing is compared to the actual object.

Front

If a scale is 1 cm = 5 m, what does this mean?

Back

This means that every 1 cm on the drawing represents 5 meters in real life.

Front

How do you calculate the actual length from a scale drawing?

Back

To calculate the actual length, multiply the length on the drawing by the scale factor.

Front

What is the actual length of a vehicle that is 11 cm long on a drawing with a scale of 2 cm:3 ft?

Back

16½ feet.

Front

If a room is 5 cm long on a blueprint with a scale of 3 cm = 4.5 m, what is the actual length?

Back

7.5 m.

Front

How do you find the actual distance using a map scale?

Back

Multiply the distance on the map by the scale factor to find the actual distance.

Front

What is the actual distance if 3.5 inches on a map corresponds to a scale of 2 in = 300 miles?

Back

525 miles.

Front

If the scale is 1 cm = 8 km and two cities are 24 cm apart on the map, what is the actual distance?

Back

192 km.

Front

What is the purpose of using scale drawings?

Back

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