Scale Factor Answers

The diagram represents the process of enlarging a rectangle using a scale factor of 3. The width of the original rectangle must be:

The value of B is .

The value of A is . The value of B is .

Elias’s teacher has given him a rectangle that is 15 feet by 20 feet. She has asked him to create a new rectangle using a scale factor of 8/3. Elias says that will be a reduction because the scale factor is a fraction. Is he correct? Explain.

Which rectangle is not an enlargement of rectangle A?

If a scale factor of is used to make a reduction, what is the base of the reduced triangle? cm

The diagram represents the process of creating a scale drawing from an original using a scale factor of 0.4. The base of the original drawing must be:

Sammy went on a class trip to the art museum and sketched a scale drawing of a famous mural. The original painting was 72 inches wide and 108 inches long. Sammy used a scale factor of 1/12 to make his drawing. What is the length of Sammy’s drawing?

Jon is making a scale drawing to enlarge a picture. The original dimensions of the picture are 8 inches wide by 64 inches long. Which of these dimensions represents a possible width and length of the enlargement?

What did you include in your response? Check all that apply.