Scale Drawings

Front

What is a scale drawing?

Back

A scale drawing is a representation of an object or area that is proportionally reduced or enlarged in size, using a specific ratio or scale.

Front

What does the scale factor represent in scale drawings?

Back

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

Front

If a rectangle has a perimeter of 30 cm and is enlarged by a scale factor of 4, what is the new perimeter?

Back

120 cm

Front

In a scale drawing, if 1 cm represents 9 meters, how wide is a soccer field that is 54 meters wide in the drawing?

Back

6 cm

Front

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

Back

9 inches

Front

If a scale drawing of a house shows dimensions of 9 cm × 10 cm and 6 cm = 12 ft, what are the actual dimensions?

Back

18 ft x 20 ft

Front

How do you calculate the new perimeter of a shape when using a scale factor?

Back

Multiply the original perimeter by the scale factor.

Front

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

Back

Actual size = Measurement in drawing × Scale factor.

Front

If a scale drawing has a scale of 1:50, what does this mean?

Back

It means that 1 unit on the drawing represents 50 units in reality.

Front

What is the importance of using scale drawings in architecture and engineering?

Back

Scale drawings allow for accurate representation and planning of structures in a manageable size.