Answers SSCR 26 Math Essentials AScale Factor

Scale Factor Answers

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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?

3.6 inches

18.2 inches

60 inches

90 inches

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Aanya made a scale drawing of a picture. The original dimensions of the picture are 8 inches by 12 inches. Which choice shows a possible combination for the dimensions in Aanya’s drawing?

3 inches by 4 inches

6 inches by 9 inches

16 inches by 36 inches

24 inches by 32 inches

Yuron is sketching a scale drawing of a famous painting. The painting is 54 inches wide and 72 inches long. He used a scale factor of to make his sketch. How many inches wide is Yuron’s sketch?

Beth is designing a card. She brings to a print shop a drawing that is 6 inches by 3 inches, and asks them to print the card after applying a scale factor of . When she returns to the print shop, they hand her a box of cards, each of which is 9 inches by 13 inches, which is incorrect.What should be the correct dimensions of the card?

The scale factor is a reduction, and the new card should be 4 in x 2 in.

The scale factor is a reduction, and the new card should be 4 in x 6 in.

The scale factor is for an enlargement, and the print shop created the right size card.

The scale factor is for an enlargement, but the print shop should have made the card 9 in by 6 in.

Which rectangle is an enlargement of a 5 by 6 rectangle?RectangleABCDWidth10152560Length11183660

Hiroto reduces a rectangular photograph by 0.5 by scanning it onto his computer. The image on the screen measures 3 inches by 5 inches. Which rectangle represents the original photograph?RectangleABCDWidth1.53.5615Length2.55.51025

Fabian used a ratio table to show the original dimensions of a rectangle and the dimensions when the rectangle is changed by a scale factor. He forgot to enter the length of the new rectangle.Scale factor12.5Width615Length9 Which length is missing from Fabian’s table?

3.6

11.5

21.6

22.5

The triangle represents a scale drawing that was created by using a factor of . Which is true of the measures of the sides of the original triangle?

Each side of the original triangle is the length of each side of the scale drawing.

Each side of the original triangle is 2 times the length of each side of the scale drawing.

Each side of the original triangle is the same length as each side of the scale drawing.

Each side of the original triangle is 2 inches shorter than the scale drawing.

A scale drawing of a rectangle is made by using a scale factor of . The original and the scale drawing are shown below.[Not drawn to scale]Which method can be used to find the dimensions of the original rectangle?