Unit Test — Unit test Answers

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

The rectangle below has been reduced by a scale of . [Not drawn to scale]What is the area of the reduced rectangle?

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?

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?

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

Which is the scale factor proportion for the reduction shown?

Uma makes a scale drawing of a patio. The drawing below shows the two scales she used to plan two patios of different sizes.Which shows the correct lengths of side C in both scales?

The triangle below has been reduced by a scale of 0.4. What is the area of the reduced triangle?

Devon made a scale drawing of a triangle. He used a scale factor of to draw the new triangle. How does each side of the new triangle compare to the original?

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

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?

Gigi makes a scale drawing of a patio. The drawing below shows the two scales she used to plan two patios of different sizes.Which shows the correct dimensions of the rectangle in both scales?

The small rectangle was enlarged to create the big rectangle. Not drawn to scaleWhat is the missing measure on the big rectangle?

A scale model of a rectangular building lot measures 7 feet by 5 feet. If the actual house will be built using a scale factor of 12, what is the area of the actual building lot?

Brianna went on a trip to the art museum and sketched a scale drawing of a rectangular wall mural. She used a scale factor of 0.2. The sketch was 12 inches wide and 18 inches long. What was the length of the mural?