NMTA Essential Academic Skills Math: Similar Polygons Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. To make hummingbird food, I need 4 cups of sugar to 1 cup of water. If I wanted to double that amount, how many cups of sugar would I need?

Question 2 2.

Find the geometric mean.

4, 4, 4

Question 3 3. A particular pancake recipe calls for 3 cups of flour to 1 cup of milk. Keeping things in proportion, what is the ratio of flour to milk if you double this recipe?

Question 4 4. Which of the following ratios is in proportion to the ratio 3:4?

Question 5 5.

Write a ratio for the number of red balls to blue balls.

Red balls = 10

Blue balls = 8

Green balls = 6

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Question 6 6. Which of the following is proportional to the ratio 3:2?

Question 7 7. The geometric mean gives you the average rate of growth for growth that is what?

Question 8 8.

Find the missing information.

x/4 = 9/12

Question 9 9.

Find the geometric mean.

5, 4, 9, 1, 5, 7, 8

Question 10 10. If an angle in polygon A measures 65 degrees, what does the matching angle in polygon B measure? Polygons A and B are similar polygons.

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Question 11 11. Which of the following is not a polygon?

Question 12 12. Polygon A is 4 times smaller than polygon B. If one side of polygon B measures 20 inches, what does the matching side of polygon A measure?

Question 13 13. Two pentagons are similar. One pentagon has angle measurements of 76, 128, 119, 85, and 132. The other pentagon only has four listed angle measurements of 76, 119, 85, and 132. What is the measure of the missing angle?

Question 14 14. Which of the following measurements always remains the same in similar polygons?

Question 15 15. What is the geometric mean of 2 and 4?

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Question 16 16. Which of the following ratios is not proportional to 2:3?

Question 17 17.

Write a ratio for the number of students who received an A to the number of students who received an F.

A Students = 3

B Students = 8

C Students = 2

D Students = 1

F Students = 2

Question 18 18. Things are in proportion when what are equal to each other?

Question 19 19. Which of the following is not in proportion to the ratio 12:20?

Question 20 20. What numbers cannot be used in geometric mean calculations?

NMTA Essential Academic Skills Math: Similar Polygons Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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