Scale Drawings

Front

What is a scale drawing?

Back

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

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 a scale factor is less than 1, what does it indicate?

Back

It indicates a reduction in size.

Front

If a scale factor is greater than 1, what does it indicate?

Back

It indicates an enlargement in size.

Front

What is the scale factor from a rectangle measuring 4 cm by 6 cm to a rectangle measuring 8 cm by 12 cm?

Back

2/1

Front

How do you determine if two figures are scaled copies?

Back

Two figures are scaled copies if their corresponding sides are in proportion.

Front

What is the scale factor if triangle ABC has sides of 3 cm, 4 cm, and 5 cm, and triangle DEF has sides of 6 cm, 8 cm, and 10 cm?

Back

2/1

Front

If the scale factor is 3, what is the measurement of x if the original measurement is 5 m?

Back

15 m

Front

What is the relationship between scale drawings and proportionality?

Back

Scale drawings maintain proportional relationships between corresponding dimensions.

Front

If a scale drawing of a house is made at a scale of 1:100, what does this mean?

Back

It means that 1 unit on the drawing represents 100 units in real life.