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More Lessons for A Level Maths

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Examples, solutions, videos, activities and worksheets that are suitable for A Level Maths.

**What is the formula of the arc length of a sector in radians?**

Arc length of a sector, s = rθ

**What is the formula of the area of a sector in radians?**

Area of a sector, A = 1/2r^{2}θ

The following diagrams give the formulas for the arc length and area of a sector. Scroll down the page for more examples and solutions.

C2 Arc length and area of a sector using radians

Radians : C2 Edexcel January 2013 Q7(a)(b)
Area of Sector : C2 Edexcel January 2013 Q7(c)
Arc length : C2 Edexcel January 2013 Q7(d)

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

More Lessons for A Level Maths

Math Worksheets

Examples, solutions, videos, activities and worksheets that are suitable for A Level Maths.

Arc length of a sector, s = rθ

Area of a sector, A = 1/2r

The following diagrams give the formulas for the arc length and area of a sector. Scroll down the page for more examples and solutions.

C2 Arc length and area of a sector using radians

Rotate to landscape screen format on a mobile phone or small tablet to use the **Mathway** widget, a free math problem solver that **answers your questions with step-by-step explanations**.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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