Scale Drawings

Front

What is a scale drawing?

Back

A scale drawing is a representation of an object or space that maintains the proportions of the original, using a specific ratio or scale.

Front

What does the scale 1 in. = 4 ft mean?

Back

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

Front

If a scale drawing of a flagpole measures 12 inches, how tall is the actual pole if the scale is 1 in. = 4 ft?

Back

The actual height of the pole is 48 feet.

Front

What is the formula to find the actual size from a scale drawing?

Back

Actual size = Measurement on drawing × Scale factor.

Front

What is a scale factor?

Back

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

Front

If the scale is 1 cm = 8 km, how far apart are two cities that are 24 cm apart on the map?

Back

The actual distance between the two cities is 192 km.

Front

What is a scaled copy?

Back

A scaled copy is a figure that has been enlarged or reduced in size but maintains the same shape and proportions as the original.

Front

How do you determine if two figures are scaled copies?

Back

Two figures are scaled copies if their corresponding sides are in the same ratio.

Front

What is the relationship between scale drawings and real-life measurements?

Back

Scale drawings provide a way to represent real-life measurements in a smaller or larger format while preserving proportions.

Front

If a drawing has a scale of 1:5, what does this mean?

Back

It means that 1 unit on the drawing equals 5 units in real life.