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you draw a triangle formed by the centers of the two circles and use pythagoean theorem

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15y ago

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Define common internal tangent of 2 circles?

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If there are two nonoverlapping nonintersecting circles in a plane four lines can be tangent to both circles at the same time How could the circles be arranged so that there are 3 or 2 or 1 or 0 li?

Hey, this one is nice! I will venture the following: * 3: make them tangent in one point, with no intersection * 2: make them have a small intersection, ie. crossing in two points * 1: make them tangent from the inside * 0: make one fall completely within the other Giving the explanation would just be killing the imagination.


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A tangent-tangent angle intercepts two arcs that measure 164 and 196 What is the measure of the tangent-tangent angle?

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Where is tangent undefined?

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