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5 Min Quiz Original: Multiply by a scale factor of 2: Length= Length= Width= Width= Height= Height= P= P= B= B= Volume= Volume= Review 1. A rectangle has a perimeter of 12 cm. If all of the dimensions are multiplied by a scale factor of 2, what is the new perimeter? Hint: a. Draw a rectangle with a perimeter of 12 cm. b. Draw a new rectangle multiplying each side by 2. c. What is the new perimeter? Review 2. A rectangle has a perimeter of 12 cm. If all of the dimensions are multiplied by a scale factor of 3, what is the new perimeter? Hint: a. Draw a rectangle with a perimeter of 12 cm. b. Draw a new rectangle multiplying each side by 3. c. What is the new perimeter? Review 3. What happens to the perimeter when you multiply the dimensions of a figure by a scale factor? Review 4. A rectangle has an area of 40 cm2. If all of the dimensions are multiplied by a scale factor of 2, what is the new area? Hint: a. Draw a rectangle with an area of 40 cm2. b. Draw a new rectangle multiplying each side by 2. c. What is the new area? Review 5. A rectangle has an area of 40 cm2. If all of the dimensions are multiplied by a scale factor of 3, what is the new area? Hint: a. Draw a rectangle with an area of 40 cm2. b. Draw a new rectangle multiplying each side by 3. c. What is the new area? Review 6. What happens to the area when you multiply the dimensions of a figure by a scale factor? Review 7. A rectangular prism has a volume of 12 cm3. If all of the dimensions are multiplied by a scale factor of 2, what is the new volume? Hint: a. Draw a rectangular prism with a volume of 12 cm3. b. Draw a new rectangular prism multiplying each dimension by 2. c. What is the new volume? Review 8. A rectangular prism has a volume of 12 cm3. If all of the dimensions are multiplied by a scale factor of 3, what is the new volume? Hint: a. Draw a rectangular prism with a volume of 12 cm3. b. Draw a new rectangular prism multiplying each dimension by 3. c. What is the new volume? Review 9. What happens to the volume when you multiply the dimensions of a figure by a scale factor? Challenge 1 The base of a rectangular prism is drawn below. The total volume of the solid figure is 400 cm3. What is the height of the prism? 5 cm 8 cm Challenge 2 The two boxes are similar. How many times does the volume increase from box 1 to box 2? Box 1 Box 2 Challenge 3 Tiny Tim wants to double the length and width of his lawn. How many times larger will the area of his new lawn be? Challenge 4 The edges of a large rectangular prism are 3 times longer than the edges of a small rectangular prism. How many times greater is the volume of the large rectangular prism? Challenge 5 What is the effect on the area of a circle when the radius is doubled? Challenge 6 The dimensions of a large rectangular prism are twice the dimensions of a small rectangular prism. If the volume of the small rectangular prism is 16 cubic meters, what is the volume of the large rectangular prism?