Shaded sector with its radius, central angle and arc length

An example figure from the Circle Generator.

A circle with center O and a shaded sector between radii OA and OB; OA is labeled 6 cm, the central angle 100° and the arc AB 10.5 cm — A circle with its center O and a sector shaded blue between the radii OA and OB. The radius OA is labeled 6 cm, the central angle at O is marked with an arc and labeled 100°, and the arc from A to B is labeled with its length, 10.5 cm, for finding the sector’s area.

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Answer key

Shaded OAB: 100°, arc 3.3π cm ≈ 10.5 cm, area 10π cm² ≈ 31.4 cm²

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