This geometry video tutorial explains how to calculate the area of a regular polygon using a simple formula. The first two problem explains how to calculate the area of a pentagon and a hexagon given the apothem and a side length. The next two problems explain how to calculate the area of a hexagon and a pentagon given the only the side length. You need to use right triangle trigonometry to calculate the length of the apothem. First, you need to calculate the angle. The area of a regular polygon is half of the product of the perimeter and the apothem of the polygon. The sixth problem discusses how to calculate the area of a regular hexagon given the radius only. The last problem explains how to calculate the area of an equilateral triangle with a circle inscribed in it with the radius given. This geometry video contains plenty of examples and practice problems.

Area of a Rectangle:
   • How To Find The Area of a Rectangle |...  

Area and Perimeter:
   • Area and Perimeter  

Area of a Square:
   • Area of a Square  

Area of a Triangle:
   • Area of a Triangle, Given 3 Sides, He...  

Calculating The Height of a Triangle:
   • How To Calculate The Height of a Tria...  

Area of a Trapezoid:
   • Area of a Trapezoid  

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Area of a Parallelogram:
   • Area of a Parallelogram  

Area of a Rhombus:
   • Area of a Rhombus  

Area Between Two Squares:
   • How To Calculate The Area Between Two...  

Area - Rectangles, Triangles, & Circles:
   • Area of a Rectangle, Triangle, Circle...  

Area & Perimeter of Irregular Shapes:
   • Area and Perimeter of Irregular Shape...  

How To Calculate Square Footage:
   • How To Calculate Square Footage  

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Area of a Kite:
   • Area of a Kite  

Area of an Equilateral Triangle:
   • Area of an Equilateral Triangle  

Area of Regular Polygons:
   • Area of Regular Polygons - Hexagons, ...  

Area - Hard Math Problem:
   • Geometry - Area Math Problem  

Area - Shaded Region:
   • Area of Shaded Region - Circles, Rect...  

Circles - Area, Circumference, Radius:
   • Circles - Area, Circumference, Radius...  

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