Areas & Perimeters: Heron's Formula, Regular Polygons & Sectors
This lesson is part of the course
In this lesson
You calculate the area of triangular plots from their three sides with Heron's formula, the floor area of regular polygons and the area of circular flower-bed sectors.
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Lessons in this course
- Degrees & Radians: Converting Angles for Excel's Trig Functions Locked
- Right-Triangle Trig: SIN, COS, TAN and Their Inverses Locked
- Pythagoras & Distance: Survey Points, Slopes and Square Corners Locked
- Law of Sines & Law of Cosines: Solving Any Triangle Locked
- Areas & Perimeters: Heron's Formula, Regular Polygons & Sectors Locked
- Volumes & Surface Areas: Tanks, Gravel Piles and Material Estimates Locked
- Unit Circle & Periodic Functions: Modelling a Tide with a Sine Wave Locked
- Vectors & Bearings: Components, Resultant and ATAN2 Heading Locked