Arc Length and Area of a Sector | Formulas | Sample Problems | Trigonometry | Pre-Calculus
Автор: Prof D
Загружено: 2021-06-09
Просмотров: 92480
Описание:
Pre-Calculus
Arc Length and Area of a Sector | Formulas | Sample Problems | Trigonometry
Arc Length
In a circle of radius r, the length s of an arc intercepted by a central
angle with measure θ radians is given by s = rθ.
Area of a Sector
In a circle of radius r, the area A of a sector with a central angle
measuring θ radians is A=1/2 r^2 θ.
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