Hard · Circles, Arcs, and Sectors

Hard Circles, Arcs, and Sectors Questions

This page lists the 7 hard-difficulty questions on Circles, Arcs, and Sectors, one row per record in the site's question bank (data/questions.json), with each question's score band.

By score band: 600-700 1 of 7, 700-800 6 of 7. The Circles, Arcs, and Sectors topic page carries all 25 questions on this topic; the other difficulty hubs are easy, medium and hard.

Question	Band
A circle has radius 12. What is the length of an arc subtended by a central angle of 120 degrees? Use π ≈ 3.14.	600-700	Open
A circle has radius 4. What is the area of a sector with central angle 135 degrees? Use π ≈ 3.14.	700-800	Open
A circle has radius 6. What is the length of an arc subtended by a central angle of 180 degrees? Use π ≈ 3.14.	700-800	Open
A circle has radius 6. What is the area of a sector with central angle 30 degrees? Use π ≈ 3.14.	700-800	Open
A circle has radius 4. What is the length of an arc subtended by a central angle of 45 degrees? Use π ≈ 3.14.	700-800	Open
A circle has radius 11. What is the area of a sector with central angle 60 degrees? Use π ≈ 3.14.	700-800	Open
A circle has radius 6. What is the length of an arc subtended by a central angle of 90 degrees? Use π ≈ 3.14.	700-800	Open