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Arc Lengths and areas of sectors. 11-6. Sector of a circle. A sector of a circle is a region bounded by two radii and an arc of the circle. Sector of a circle. Length of arc. If X = measure in degrees of arc BDC, then length of arc BDC =. Length of arc. 1.8. Area of sector.
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Sector of a circle • A sector of a circle is a region bounded by two radii and an arc of the circle
Length of arc • If X = measure in degrees of arc BDC, then length of arc BDC =
Length of arc 1.8
Area of sector • If X = measure in degrees of arc BDC, then area of sector BDC =
Area of sector 2cm