Grade 6 McGraw Hill Glencoe - Answer Keys Answer keys Chapter 9:Area;Lesson 4:Changes in Dimension

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Grade 6 McGraw Hill Glencoe - Answer Keys

Chapter 9:Area;Lesson 4:Changes in Dimension

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INDEPENDENT PRACTICE

Question 1 (request help)
Each side length of the parallelogram at the right is multiplied by 4. Describe the change in the perimeter. Justify your answer

Question 2 (request help)
The base and height of the below triangle are multiplied by 4. Describe the change in the area. Justify your answer.

The new ares is

times greater

Question 3 (request help)
Each side length of the rectangle is multiplied by \(\frac{1}{3}\). Describe the change in the area. Justify your answer.
The new area is
times smaller

Question 4 (request help)
Different sizes of regular pentagons are used in a stained glass window. Each small pentagon has side lengths of 4 inches and an area of 27.5 square inches. Each large pentagon has side lengths of 8 inches. What is the area of each large pentagon?

The area of each large pentagon =

in²

Question 5 (request help)
Justify Conclusions A dollhouse has a bed with dimensions \(\frac{1}{12}\) the size of a queen-size bed. A queen-size bed has an area of 4,800 square inches, and a length of 80 inches. What are the side lengths of the dollhouse bed? Justify your answer.
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