7-7 Practice: Scale Drawings and Models

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 on paper, maintaining the same ratios as the original.

Front

What is a scale factor?

Back

A scale factor is a ratio that compares the dimensions of a model or drawing to the dimensions of the actual object.

Front

How do you calculate the scale factor?

Back

To calculate the scale factor, divide the height (or length) of the model by the height (or length) of the actual object.

Front

If a doghouse is 3 feet tall and its model is 0.5 inches tall, what is the scale factor?

Back

1:72

Front

If a tree house is 10 feet tall and its model is 6 inches tall, what is the scale factor?

Back

1:20

Front

What does 'one inch = 6 feet' mean in terms of scale?

Back

It means that for every 1 inch on the drawing, the actual object is 6 feet tall.

Front

How do you convert feet to inches?

Back

To convert feet to inches, multiply the number of feet by 12.

Front

What is the width of a second television if the first is 50 in. by 21 in. and the second is 108 in. long?

Back

45.36 in.

Front

If an architect uses a scale of 1.5 inches = 2 feet, how long will a 17-foot room be on the blueprint?

Back

12.75 inches

Front

What is the purpose of using scale drawings in architecture?

Back

Scale drawings help architects visualize and plan spaces accurately while fitting them onto manageable paper sizes.