Scale Factor and Scale

Front

How is the scale factor calculated?

Back

By dividing the length of the image or object in the new scale by the length of the image or object in the original scale.

Front

If the scale factor is 2, what happens to the dimensions of an object?

Back

The dimensions of the object will double.

Front

If a line segment is 5 cm long and it is scaled by a factor of 3, what is the length of the new line segment?

Back

15 cm

Front

If a rectangle has a length of 8 cm and a width of 4 cm, and it is scaled by a factor of 0.5, what are the dimensions of the new rectangle?

Back

The dimensions of the new rectangle are 4 cm by 2 cm.

Front

If the scale factor is 0.5, what happens to the dimensions of an object?

Back

The dimensions of the object are reduced by half.

Front

If a triangle has a base of 10 cm and a height of 6 cm, and it is scaled by a factor of 2, what are the dimensions of the new triangle?

Back

The dimensions of the new triangle are a base of 20 cm and a height of 12 cm.

Front

If two similar rectangles have a scale factor of 1:2, and one rectangle has a length of 10 cm, what is the length of the other rectangle?

Back

20 cm

Front

A scale factor greater than one creates ....

Back

enlargement

Front

A scale factor equal to one creates

Back

an exact copy

Front

The scale drawing of the car length is 3 cm. If the scale is 1 cm:4 ft, what is the actual car length?

Back

12 feet