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IMAS 2018 — Upper Primary Grades 5–6 — Round 1 Question 14

IMAS · IMAS 2018 — Upper Primary Grades 5–6 — Round 1

Question 14

Two sectors are located in a circle as shown in the figure below. The first sector has a central angle 30° and has an area of 37.68 cm² , while the second sector has an area of 56.52 cm² . Find the measure, in degrees, of the central angle of the second sector. (Use $\pi=3.14$ )

Question illustration
  1. 36
  2. 40
  3. 45
  4. 50
  5. 60