Geometry · Classes 9, 10, 11

Sector Area

Area of circular sector for angle θ in degrees.

FORMULA
\(A=\frac{\theta}{360}\pi r^2\)

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Worked example

r=6, θ=90° ⇒ 9π

Understand this formula

Area of circular sector for angle θ in degrees.

Check measurement units, mathematical domains and rounding before applying any result in an examination.

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