Unit Test Answers

Sienna planned a rectangular pool, as shown in the scale drawing below.Sienna used the scale drawing above to create a pool that is 14 ft wide 22 ft long. She then decided to make a pool with a final length of 33 ft. Which expression finds the change in scale factor for the longer pool Sienna is building?

The diagram represents the enlargement of a rectangle by using a scale factor of 6. What are the dimensions of the original rectangle?

A picture is photocopied by using a scale factor of 2. Each side of the photocopy of the picture is

The area of the scale model of a playground is 6 square yards. The scale model is enlarged by a scale factor of 3 to create the actual playground. What is the area of the actual playground?

Michel uses the scale drawing and the scale factor to enlarge a square that has a side length of 12 in.Which proportion could Michel use to solve the side length, x, of the enlarged square?

Evelyn wants to enlarge a photo that measures 3 inches by 5 inches. What is the missing measurement, in inches, that Evelyn needs?

Which is the scale factor proportion for the enlargement shown? Not drawn to scale

The scale factor of a figure and its enlargement is 6. What is the new length of the enlarged figure if the original length is 3 cm?

The scale drawing of a rectangular room will be enlarged by a scale factor of 4 to create the actual room. The actual area of the room will be 150 square feet. Which expression finds the area of the scale drawing?

Liliana wants to determine the height of an enlarged photo that she plans to frame. The original photo was 11 inches wide by 14 inches high. The new photo will be 132 inches wide. What will the new height be? Round to the nearest inch if necessary.

Consider the original triangle and the enlargement. Figures not drawn to scale.What is the length of side A in centimeters?

Consider the reduction of the rectangle. Not drawn to scaleRounded to the nearest tenth, what is the value of x?

Which is the scale factor proportion for the reduction shown?