SBA Math - Grade 7: Circles 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. If angle AOB is 40 degrees, what is the measure of angle ACB?

Question 2 2. If a semicircle's radius is 2 inches long, how long is its diameter?

Question 3 3. How many diameters does a circle have?

Question 4 4. If the diameter of a circle is 10, what is the length of a radius of that circle?

Question 5 5. William is riding on a bike trail that circles the city's park. If the park has a radius of 110 yards, how long is the trail?

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Question 6 6. What is the formula for finding the diameter of a circle?

Question 7 7. Which is larger, the area of a semicircle with a radius of 10' or the perimeter of a semicircle with a radius of 50'? (Approximate pi to 3.14)

Question 8 8. Mrs. Smith wants to build a semicircular garden, and she wants to surround it with a fence to keep out her dogs. She's measured half the garden's length at 6' long. How much fencing material will she need to buy? (Approximate pi to 3.14)

Question 9 9. If angle OAB is 45 degrees, what is the measure of angle AOB?

Question 10 10. What is the radius of a circle with a diameter of 30?

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Question 11 11. If angle ACB is 34 degrees, what is the measure of angle ADB?

Question 12 12. Which segment is a diameter of the circle?

Question 13 13. You know the area of a pizza pie is 154 square inches. What is the radius of that pizza pie?

Question 14 14. Choose the correct definition for diameter of a circle.

Question 15 15. If angle ACB is 47 degrees, what is the measure of angle AOB?

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Question 16 16. Although area and perimeter are measured in different units, what's the numerical difference between the area and perimeter of this semicircle? (Approximate pi to 3.14)

Question 17 17. John is painting a sign of a rising sun, which happens to be exactly half of a circle. The half-circle's base is 30 inches long. He'll need to buy enough paint to cover how much space? (Approximate pi to 3.14)

Question 18 18. Mitchell has decided to give his dog a longer leash to roam in the backyard. If the new 7 ft. leash is tied to the center pole in the yard, how much area in the yard does the dog have to move around?

Question 19 19. A bicycle wheel has a diameter of 26 inches. What is the circumference?

Question 20 20. Judy is baking a round cake for her niece's birthday and the recipe requires her to coat the bottom of the pan with flour. If the cake pan has an 8-inch diameter, what is the area that she will need to cover with flour on the bottom of the pan?

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Question 21 21. Circle D has a radius of 17 cm. What is the circumference of circle D?

Question 22 22. What is the diameter of a circle with a radius of 4?

Question 23 23. In the pictured circle, the measure of angle ACB is 22 degrees and the measure of angle BXD is 120 degrees. What is the measure of angle CAD?

Question 24 24. If the circumference of a circle is 12 centimeters, what is the radius of the circle?

Question 25 25. The minute hand of an old-fashioned grandfather clock reaches from the center point of the face of the clock to the outer circle of the clock. What would the minute hand be called?

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Question 26 26. If a semicircle's diameter is 20' long, how long is its radius?

SBA Math - Grade 7: Circles 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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