This quiz works best with JavaScript enabled. Home > Cbse > Class 10 > Mathematics > Circles > Class 10 Maths Chapter 10 Circles – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Maths Chapter 10 Circles Quiz 7 (28 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How many degrees are in a triangle? A) 90$^\circ$. B) 360$^\circ$. C) 270$^\circ$. D) 180$^\circ$. Show Answer Correct Answer: D) 180$^\circ$. 2. A circle has radius 40 cm. Which of these is closest to its area? A) 10, 053 cm$^{2}$. B) 5, 026 cm$^{2}$. C) 126 cm$^{2}$Tags7.G.B.4. D) 251 cm$^{2}$. Show Answer Correct Answer: B) 5, 026 cm$^{2}$. 3. A piece of rope 94.2 inches long will enclose a circular wading pool. What is the diameter of the pond? A) 30 inches. B) 15 inches. C) 31.4 inches. D) 47.1 inches. Show Answer Correct Answer: A) 30 inches. 4. Each time Kurtis turned the dial on the machine, the dial moved 1 degree. Kurtis turned the dial 25 times. What is the total number of degrees the dial moved? A) 25. B) 360. C) 1. D) 250. Show Answer Correct Answer: A) 25. 5. A line segment that passes through the center of a circle, connecting two points on a circle is called ..... A) Diameter. B) Radius. C) Circumference. D) Area. Show Answer Correct Answer: A) Diameter. 6. An angle that turns through 8 one degree angles has a measure of ..... degrees. A) 180. B) 8. C) 90. D) 360. Show Answer Correct Answer: B) 8. 7. A round coffee table has a radius of 4 feet. What is the diameter of the table? A) 8 feet. B) 16 feet. C) 2 feet. D) 12 feet. Show Answer Correct Answer: A) 8 feet. 8. A state seal, which is round, hangs in the capitol building. It has a radius of 2 feet. What is the seal's area? A) 12.56 feet. B) 6.28 feet. C) 50.24 feet. D) 25.12 feet. Show Answer Correct Answer: A) 12.56 feet. 9. What is the space that a circle covers called? A) Area. B) Diameter. C) Radius. D) Circumference. Show Answer Correct Answer: A) Area. 10. The ..... of a circle is two times the radius. A) Diameter. B) Area. C) Chord. D) Circumference. Show Answer Correct Answer: A) Diameter. 11. A circle has a diameter of 4.5 cm. A larger circle has a diameter of 24 cm. What is the approximate difference in the circumferences of the two circles? A) 19.5 cm. B) 61 cm. C) 90 cm. D) 28.5 cm. Show Answer Correct Answer: B) 61 cm. 12. Equal chords of a circle subtend ..... angles at the center. A) Half. B) Equal. C) One fourth. D) One third. Show Answer Correct Answer: B) Equal. 13. A segment that has one endpoint at the center and the other endpoint on the circle is the ..... A) Secant. B) Radius. C) Chord. D) Diameter. Show Answer Correct Answer: B) Radius. 14. During a science project, Emily and Lucas need to calculate the area of a circular petri dish with a radius of 4 cm. What is the area of the petri dish? A) 50.24 cm$^{2}$. B) 6.28 cm$^{2}$. C) 25.12 cm$^{2}$. D) 12.56 cm$^{2}$. Show Answer Correct Answer: C) 25.12 cm$^{2}$. 15. A circle has a diameter of 5 cm. What is the area of the circle? A) 19.625 cm. B) 7.85 cm. C) 15.7 cm. D) 31.4 cm. Show Answer Correct Answer: A) 19.625 cm. 16. An architect is making a plan for a new circular playground. If the diameter of the playground is 64 meters, how much fencing needs to go up to keep the kids in the circle? A) 200.96 meters. B) 128 meters. C) 100.48 meters. D) 20.096 meters. Show Answer Correct Answer: A) 200.96 meters. 17. Diameter is 1/2 of the radius. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 18. If two circles touch eachother externally, then there are ..... common points A) 3. B) 1. C) 4. D) 2. Show Answer Correct Answer: B) 1. 19. Pizza World sells an extra large pizza that has a diameter of 20 inches. What is the area of the crust of the extra large pizza? Use 3.14 for pi. A) 10 square inches. B) 314 square inches. C) 3.14 square inches. D) 5 square inhese. Show Answer Correct Answer: B) 314 square inches. 20. The difference between the maximum and minimum values of a variable is called ..... A) Range. B) Variate. C) Frequency. D) None of the above. Show Answer Correct Answer: A) Range. 21. What is the center and radius given the equation, x$^{2 }$+ y$^{2 }$+ 8x-2y-64 = 0? A) Center:(1, -4), Radius:64. B) Center:(-4, 1), Radius:9. C) Center:(-4, 1), Radius:81. D) Center:(4, 1), Radius:8. Show Answer Correct Answer: B) Center:(-4, 1), Radius:9. 22. A bike tire has a radius of 1.5 feet. How far will the bike go if the wheel rotates around 3 full times? (round your answer to the nearest foot) A) About 14 feet. B) About 28 feet. C) About 9 feet. D) About 5 feet. Show Answer Correct Answer: B) About 28 feet. 23. How long is the radius of a circle that has an area of $121\pi$ A) 9 cm. B) 11 cm. C) 6 cm. D) 10 cm. Show Answer Correct Answer: B) 11 cm. 24. Jalen skates at a circular rink that has a radius of 4 yards. If he uses 3.14 for $\pi, $ A) 50.24 $yds^2$. B) 38.92 $yds^2$. C) 4.13 $yds^2$. D) 25.12 $yds^2$. Show Answer Correct Answer: A) 50.24 $yds^2$. 25. A circle has a radius of 23 feet. What is the diameter of the circle? A) 23 feet. B) 46 feet. C) 1/2 feet. D) None of the above. Show Answer Correct Answer: B) 46 feet. 26. A ..... is the longest chord in a circle and goes through the center of a circle. A) Diameter. B) Radius. C) Chord. D) Arc. Show Answer Correct Answer: A) Diameter. 27. The region between an arc and the two radii, joining the centre to the end points of the arc is called a A) Minor arc. B) Sector. C) Segment. D) Semicircle. Show Answer Correct Answer: B) Sector. 28. The endpoints of the diameter of a circle are (-10, -11) and (8, -9). Write the standard form equation of the circle. A) $\left(x-1\right)^2+\left(y-10\right)^2=6724$. B) $\left(x-8\right)^2+\left(y+1\right)^2=6724$. C) $\left(x+1\right)^2+\left(y-10\right)^2=82$. D) $\left(x+1\right)^2+\left(y+10\right)^2=82$. Show Answer Correct Answer: D) $\left(x+1\right)^2+\left(y+10\right)^2=82$. ← PreviousRelated QuizzesMathematics QuizzesClass 10 QuizzesClass 10 Maths Chapter 10 Circles Quiz 1Class 10 Maths Chapter 10 Circles Quiz 2Class 10 Maths Chapter 10 Circles Quiz 3Class 10 Maths Chapter 10 Circles Quiz 4Class 10 Maths Chapter 10 Circles Quiz 5Class 10 Maths Chapter 10 Circles Quiz 6 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books