Circle Area and Circumference - video

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Circle Area and Cir cum fer ence

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AREAS/PERIMETERS we know: A = b*h P = 2b + 2h A = s 2 P = 4s A = b*h h A = ½ b*h A = ½ (b 1 +b 2 )* h h h

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Math Skills & Tools In the Class Work section of your binder: Add some skills and tools that you can later use to solve any math problem!

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The set of all points that are equidistant from a fixed point (the center). Circle Definition

What is PERIMETER?:

What is PERIMETER? The sum of the lengths of the sides of a shape.

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Perimeter for a circle is called CIRCUMFERENCE

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r

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Example: Find the circumference of a circle if the area is .

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