Area of a Segment - Concept

Concept Concept (1)

The area of a segment in a circle is found by first calculating the area of the sector formed by the two radii and then subtracting the area of the triangle formed by the two radii and chord (or secant). In segment problems, the most challenging aspect is often calculating the area of the triangle. Related topics include area of a sector, area of a circle and area of an annulus.

Sample Sample Problems (2)

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Area of a Segment - Problem 1
Problem 1
How to find the area of a segment, given a leg in a right triangle.
Area of a Segment - Problem 2
Problem 2
How to find the area of a segment, given a side in an equilateral triangle.