Area of Segments and Annulus
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More Lessons for Grade 9 Math
Math Worksheets
Examples, solutions, videos, worksheets, games, and activities to help Geometry students learn how to find the area of segments and annulus.
Area of a Segment
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.
Area Of Sector And Segment Examples
Annulus Area
An annulus is similar to a ring or a castle's moat; it is the area between two concentric circles. Calculating the annulus area, therefore, involves finding the difference of the two circles' area. A common trick on annulus problems is to give the distance between the small and large circle, and not the large circle's radius.
Areas of Sectors, Segments, Annulus
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 Grade 9 Math
Math Worksheets
Examples, solutions, videos, worksheets, games, and activities to help Geometry students learn how to find the area of segments and annulus.
Area of a Segment
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.
An annulus is similar to a ring or a castle's moat; it is the area between two concentric circles. Calculating the annulus area, therefore, involves finding the difference of the two circles' area. A common trick on annulus problems is to give the distance between the small and large circle, and not the large circle's radius.
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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