Scale Factor Finding Actual

What is the scale factor?

• 4

• 25

• 5

• 6

What is the scale factor from the small fry to the large fry?

• 1/3

• 48

• 4

• 3

If the second figure is larger than the original, the scale factor will be ______________.

• greater than 1

• less than 1

• equal to 1

Which triangle is similar to the above triangle ?

• A

• B

• C

• D

Find missing side

• 5

• 7

• 9

• 11

If the scale factor is less than one, the copy is...

• bigger

• smaller

• the same

If the scale factor is equal to 1, the copy is ________ the original.

• the same as

• smaller than

• bigger than

What is the purpose of using a scale to find unknown distances?

• To compare known distances with unknown distances on a map or diagram.

• To determine the temperature of an object.

• To calculate the speed of an object.

• To measure the weight of an object.

When finding the actual distance using a scale, what should you do?

• Use a ruler to measure the distance on the scale.

• Convert the measured distance on the scale using the scale ratio.

• Multiply the measured distance on the scale by the scale ratio.

• Divide the measured distance on the scale by the scale ratio.

If the scale factor is 1:100 and the length on the scale is 5 cm, what is the actual distance?

• 5 m

• 0.5 cm

• 500 cm

• 50 cm