lesson
Calculating Areas of Circular Segments
Compute the area of circular segments by subtracting triangle areas from sector areas.
Updated 1 month ago · 5 views
Premium Lesson
This lesson is part of a track
Public learning track
Area of Circles, Sectors, and Composite 2D Shapes
7 lessons
Goal
Derive circle area, calculate sector and segment areas, and solve perimeter and area for composite plane figures.
7 lessons
0 of 7 done
- Deriving the Formula for the Area of a CircleUp next
- Calculating Areas of Circles and AnnuliNot started yet
- Area of Composite Figures: Sectors of CirclesNot started yet
- Calculating Areas of Circular SegmentsYou are here
- Area and Perimeter of Composite Figures with Circles and SectorsNot started yet
- Calculating Areas of Polygons with Subtracted RegionsNot started yet
- Solving Real-World Composite Area and Perimeter ProblemsNot started yet
Learning standards covered
OGM.8.GEO.4Open Global Math Standards 2026™ · 7th GradeUnderstand circles, define pi (pi = C/d), derive formulas for circumference and area of circles and sectors/arcs, solve related composite area problems, and explore fundamental circle properties (chords, tangents, central/inscribed angles).
OGM.8.GEO.9Open Global Math Standards 2026™ · 7th GradeCalculate perimeter and area of composite two-dimensional figures composed of triangles, quadrilaterals, regular polygons, semicircles, and quarter circles.