Scale Drawings

Scale drawings allow us to accurately recreate real-life objects with fixed scale factors. But how can we accomplish this? Let''s find out:

An example of a scale drawing

Suppose our teacher asked us to draw a "model" of our school with all of its landmarks proportionally shown.

First, we need a scale factor. We also need to find the proportional distances between these landmarks.

Let''s say our scale factor is

.

If we know that the playground is 500 meters away from the music room, we know that in our scale model, we can draw this distance as 5 cm. We would continue this process until the entire scale drawing was complete.

More examples of scale drawings

If we wanted to create a scale drawing of a zoo with a scale factor of

, then how far apart are the lion''s cage and the snake area if they are 6cm apart in our drawing?

All we need to do is multiply to get a total distance of 2,400 meters.

If an enlarged scale drawing of a microchip has a length of 6 cm but the actual length is 2mm, what is the scale factor of our drawing?

First, convert the lengths to the same unit: The scale drawing has a length of 60 mm.

. The scale factor is therefore 30:1.

Topics related to the Scale Drawings

Radius

Graphing Scale and Origin

Scale Factor

Flashcards covering the Scale Drawings

Basic Geometry Flashcards

Common Core: High School - Geometry Flashcards

Practice tests covering the Scale Drawings

Common Core: High School - Geometry Diagnostic Tests

Intermediate Geometry Diagnostic Tests

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