# TExES Physics/Math 7-12: Similar Polygons Chapter Exam

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#### Question 1 1. A baseball diamond has 90 feet between each base. How far will the catcher (standing at home plate) throw the ball across the diagonal to the second baseman at 2nd base?

#### Question 2 2. What numbers cannot be used in geometric mean calculations?

#### Question 3 3. The geometric mean gives you the average rate of growth for growth that is what?

#### Question 4 4. Which of the following is not a polygon?

#### Question 5 5. What line do you need to use the triangle proportionality theorem?

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#### Question 6 6. If line segment AD is an angle bisector and AB=6, AC = 8, and BD = 3, what must DC equal?

#### Question 7 7. Find x

#### Question 8 8. Which of the following can the angle bisector theorem help you find?

#### Question 9 9. 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 10 10. Find x.

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#### Question 11 11. Which of the following are two similar polygons?

#### Question 12 12. Which of the following is used to check whether a triangle is a right triangle or not?

#### Question 13 13. If triangle A is similar to triangle B and triangle B is similar to triangle C and if the top angle of triangle C is equal to 45 degrees, what is the measure of the top angle of triangle B?

#### Question 14 14. Which of the following is a right triangle?

#### Question 15 15. If BD = 1, DC = 2, AB = 2, what must AC equal for line segment AD to be an angle bisector?

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#### Question 16 16. Which of the following is the transitive property?

#### Question 17 17. Which of the following is the correct ratio for the angle bisector theorem for this triangle?

#### Question 18 18. Which of the following measurements always remains the same in similar polygons?

#### Question 19 19. If line segment AD is an angle bisector and AB = 10, BD = 5, and DC = 7, what does AC measure?

#### Question 20 20. Which of the following is the law of cosines?

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#### Question 21 21. 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 22
22.
Find the missing information.

x/4 = 9/12

#### Question 23 23. 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.

#### Question 24 24. What is the altitude of this triangle?

#### Question 25 25. 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?

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####
Question 26
26.
Find the geometric mean.

4, 4, 4

#### Question 27 27. Which of the following is proportional to the ratio 3:2?

#### Question 28 28. Corresponding angles of similar triangles are always what?

#### Question 29 29. If a right triangle has a hypotenuse of 8, what must the median measure?

#### Question 30 30. Things are in proportion when what are equal to each other?

#### TExES Physics/Math 7-12: 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!