Scale Factor

Front

What is a scale factor?

Back

A scale factor is a number that scales, or multiplies, some quantity. It is used to determine the proportional relationship between two similar figures.

Front

How do you calculate the actual distance using a map scale?

Back

To calculate the actual distance, multiply the distance on the map by the scale factor (actual distance per unit on the map).

Front

If a map scale is 1 inch = 20 miles, what is the actual distance for 3 inches on the map?

Back

The actual distance is 60 miles (3 inches x 20 miles/inch).

Front

What is the relationship between scale drawings and their actual dimensions?

Back

Scale drawings represent objects in proportion to their actual dimensions, allowing for accurate representation of size and distance.

Front

How do you find the scale factor between two similar figures?

Back

To find the scale factor, divide the length of a side of one figure by the corresponding side of the other figure.

Front

What is the scale factor if a rectangle's length is doubled?

Back

The scale factor is 2.

Front

If the scale on a map is 1:100, what does this mean?

Back

This means that 1 unit on the map represents 100 units in reality.

Front

How do you convert a scale measurement to an actual measurement?

Back

Multiply the scale measurement by the scale factor to convert it to the actual measurement.

Front

What is the scale factor from a smaller triangle to a larger triangle if the sides of the larger triangle are twice as long?

Back

The scale factor is 2.

Front

If a model car is 1/18 the size of a real car, what is the scale factor?

Back

The scale factor is 1/18.