'Circle inside' presentation slideshows

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???????????? ??????????????? ??????????? ??. ? ???????????? ???????? ??????? ??????????????? Business English and business correspondence. 1. The economy. GDP growth for different countries

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Activity 2-10: Inversion

www.carom-maths.co.uk. Activity 2-10: Inversion. There are some transformations of the plane we know all about:. Reflection. Enlargement. Rotation. A less well-known one is inversion. The idea here is that you map the point A to the point B where OA ? OB = k 2

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The circumference and Area of a circle

The circumference and Area of a circle. Circles. A circle is the set of all points in a plane that are the same distance from a given point, called the center. Circles. The circumference (C) is the distance around a circle.

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