model the effect on linear and area measurements of dilated two-dimensional shapes
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Q 1/10
Score 0
A park has a rectangular playground and a rectangular picnic area that are similar in shape. Each side of the playground is 6.4 times the corresponding side of the picnic area. Which statement is true?
300
The area of the playground is 6.4 times the area of the picnic area.
The perimeter of the field is 40.96 times the perimeter of the picnic area.
The area of the playground is 40.96 times the area of the picnic area.
The perimeter of the field is 12.8 times the perimeter of the picnic area.
Q 2/10
Score 0
Square JKLM is dilated by a scale factor of 0.4 to create square J’K’L’M’. The perimeter of square JKLM is 20 units. What is the perimeter of J’K’L’M’ in units?
300
8
10 questions
Q.
A park has a rectangular playground and a rectangular picnic area that are similar in shape. Each side of the playground is 6.4 times the corresponding side of the picnic area. Which statement is true?
1
300 sec
8.10.D: Two-Dimensional Shapes
Q.
Square JKLM is dilated by a scale factor of 0.4 to create square J’K’L’M’. The perimeter of square JKLM is 20 units. What is the perimeter of J’K’L’M’ in units?
2
300 sec
8.10.D: Two-Dimensional Shapes
Q.
Zander created a rectangular model of his rectangular bedroom to scale. His bedroom is 12 times the size of his model. If the area of the model is 3 square feet, what is the area of his bedroom in square feet?
3
300 sec
8.10.D: Two-Dimensional Shapes
Q.
Julian is recreating a painting of Rembrandt’s called “The Night Watch”. Rembrandt’s painting has an area of approximately 168 square feet. Julian wants to make a painting that is ¼ the size of Rembrandt’s painting. Which statement is true concerning Julian’s replica?
4
300 sec
8.10.D: Two-Dimensional Shapes
Q.
Which is the correct formula concerning how to calculate the image’s area after a dilation given the pre-image’s area?
5
300 sec
8.10.D: Two-Dimensional Shapes
Q.
The park in Jamestown, TX is â…“ the size of the park in Oak Hill, TX. Which statement concerning the parks is true?
6
300 sec
8.10.D: Two-Dimensional Shapes
Q.
The perimeter of a yard is 80 feet. A smaller yard is 0.3 times as big. What is the perimeter of the smaller yard in feet?
7
300 sec
8.10.D: Two-Dimensional Shapes
Q.
The area of a large cafeteria is 1200 square feet. A smaller cafeteria is ½ the size of the larger cafeteria. What is the area of the smaller cafeteria in square feet?
8
300 sec
8.10.D: Two-Dimensional Shapes
Q.
Triangle ABC is dilated by a scale factor of ⅜ to create triangle A’B’C’. The area of triangle ABC is x square units. What is the area of triangle A’B’C’ in square units?
9
300 sec
8.10.D: Two-Dimensional Shapes
Q.
The length and width of a middle school is 5.8 times larger than the length and width of an elementary school. Which statement about the schools is correct?