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Is every set of three points collinear?
No.
Why is the highest point of a hill represented by an x not a contour line?
Contour lines are spaced at a regular height above sea level - every 50 metres, for example. The highest point of a hill may be just above the highest contour line. Therefore a spot or summit height symbol may be used to mark the highest point on the map.
What is the name of the chord that is a diameter?
The diameter of a circle could also be called the longest chord in that circle.A chord is any straight line that connects two points on a curve. A circle has a near infinite number of chords that can be drawn between any two points around its circumference.Any chord that passes through the middle of the circle, making it the longest chord possible in the confines of the circle, is also known as the diameter of the circle.So, every diameter is a chord, but not every chord is a diameter.
How many points does a line have?
a line has to have at least 2 points.a plane has to have at least 3 points.______________It takes two points to define a unique line in Euclidean space. But every line and every line segment contains infinitely many points. The same is true for planes in Euclidean space. You need at least 3 points to define a unique plane, but every plane containes infinitely many points and infinitely many lines or line segments.
Does every chord of a circle contain two points of the circle?
Yes, and the two points are located on the circumference of the circle
