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Relative positions between circles and the line

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In this video I will explain the relative positions between a circle with each other and between the circles and a line.

A line about a circle can be Exterior, that is, they do not have any point in contact, the shortest distance being the one that passes through the center of the circumference and is perpendicular to the external line.

Another line that we can find is the one that only has one point of contact with the circumference, this straight is tangentto the circumference If we join the point of contact with the center, we see that the lines form 90 degrees.

Finally we have a line that passes inside the circumference and is short with two points on the circumference. This line is called drying and the distance perpendicular to the center is less than the radius of the circumference.

In this image you can see the different cases.

Also, if you want to learn more about the relative position between a circle and a point, watch the video. If you still have doubts you can do the printable exercises with their solutions that I have left you on the web.

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