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10 questions from this quiz
A curved section of a circle's edge
s=πrθ180s = \frac{\pi r\theta}{180}s=180πrθ
20.9 cm
A wedge-shaped region of a circle
The minor sector
A=πr2θ360A = \frac{\pi r^2\theta}{360}A=360πr2θ
240°
104.72 cm²
Arc: cm, Sector: cm²
Arc: 180, Sector: 360
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