Scale Factor of Objects

_________ ________ is the number you multiply by the sides to create a similar figure.

• Scale Factor

• Corresponding Angle

• Pi

• Mid Point

When you use a percent that is less than 100% to change the original, what is true about the new image?

• The new image is larger than the original.

• The new image is smaller than the original.

• The new image is the same size as the original.

• No one knows for sure what will happen.

A scale factor greater than one creates ....

• reduction

• enlargement

• exact copy

• none of these

A scale factor less than one creates ....

• a reduction

• an enlargement

• an exact copy

• none of these

If the scale factor is x1.5, the percent equivalent is...?

• x1.5%

• x150%

• x15%

• x0.015%

Line BC corresponds with what line? 

• XZ

• XY

• YZ

• YX

How is the scale factor calculated?

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

• By subtracting the length of the image or object in the new scale from the length of the image or object in the original scale.

• By adding the length of the image or object in the new scale to the length of the image or object in the original scale.

• 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.

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

• The dimensions of the object will double.

• The dimensions of the object will triple.

• The dimensions of the object will remain the same.

• The dimensions of the object will halve.

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

• The dimensions of the object are doubled.

• The dimensions of the object are reduced by half.

• The dimensions of the object remain the same.

• The dimensions of the object are increased by half.

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?

• 8 cm

• 12 cm

• 15 cm

• 10 cm