Prove that the tangents drawn at the end of a diameter of a circle are parallel
- A tangent to a circle is a straight line which touches the circle at only one point.
- This point is called the point of tangency or point of contact.
- Parallel lines are lines in a plane that are always the same distance apart. Parallel lines never intersect.
- Perpendicular lines are lines that intersect at a right (90 degrees) angle.
- A circle is a plane figure bounded by one curved line, and such that all straight lines drawn from a certain point within it to the bounding line, are equal.
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