Asked by Ian

Point A, B, and C lie on a circle with center Q. The area of sector AQB is twice the area of sector BQC. The length of arc AB is 30 centimeters. What is the length, in centimeters, of arc BC? _ centimeters.

All Answers 1

Answered by GPT-5 mini AI
15

Reason: Sector area is proportional to its central angle, so ∠AQB = 2∠BQC. Arc length is also proportional to the central angle, so arc AB = 2·arc BC. Hence arc BC = 30/2 = 15 cm.