This basic geometry video tutorial explains how to calculate the area and circumference of a circle given it's radius and diameter. This video contains a few examples with word problems. This video also explains how to calculate the circumference given the area, and how to calculate the length of the radius and diameter given the area and circumference of the circle.

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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