Scale Drawings Flashcard

Front

What is a scale drawing?

Back

A scale drawing is a representation of an object or area that is proportionally reduced or enlarged to fit a specific size, maintaining the same ratios as the original.

Front

What does a scale of 1 inch = 4 feet mean?

Back

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

Front

How do you calculate the actual height of an object from a scale drawing?

Back

Multiply the measurement on the drawing by the scale factor.

Front

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

Back

48 feet.

Front

What is the formula for calculating the perimeter of a rectangle?

Back

Perimeter = 2(length + width).

Front

If a rectangular plot measures 3 cm by 5 cm on a scale of 1 cm = 30 meters, what is the actual perimeter?

Back

120 meters.

Front

What does a map scale of 1/4 inch = 10 miles indicate?

Back

It indicates that every 1/4 inch on the map represents 10 miles in reality.

Front

How many miles does 1 inch represent if the scale is 1/4 inch = 10 miles?

Back

40 miles.

Front

What is a scale factor?

Back

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

Front

If a wall appears as 3 cm on a scale drawing with a scale factor of 1:50, what is the actual length?

Back

150 cm.