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 on paper, using a specific ratio or scale.

Front

What does the scale '1 cm to 30 meters' mean?

Back

It means that every 1 centimeter on the drawing represents 30 meters in reality.

Front

How do you calculate the perimeter of a rectangular plot from a scale drawing?

Back

To find the perimeter, first convert the dimensions from the drawing to actual size using the scale, then use the formula: Perimeter = 2(length + width).

Front

If a map has a scale of 1 inch to 5 miles, how do you find the actual distance between two points on the map?

Back

Multiply the distance in inches by the scale factor (5 miles) to find the actual distance.

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

How do you convert a measurement from a scale drawing to actual size?

Back

Multiply the measurement on the drawing by the scale's conversion factor.

Front

What is the perimeter of a rectangle with dimensions 3 cm by 5 cm on a scale of 1 cm to 30 meters?

Back

120 meters.

Front

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

Back

150 cm.

Front

How do you determine the dimensions of a scale drawing from actual measurements?

Back

Divide the actual measurements by the scale's conversion factor.

Front

What is the actual distance between two cities that are 3 inches apart on a map with a scale of 1 inch to 5 miles?

Back

15 miles.