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An open dot on a number line indicates that the point it represents is not included in the set of values being considered. This typically signifies a strict inequality, such as "<" or ">", meaning that the number at that point is excluded from the solution. For example, if the inequality is x < 3, the open dot at 3 shows that 3 itself is not part of the solutions.
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What does an open dot on an line graph mean?
open dot means < or > but not equal to.
Graph x is lesser than 4?
Open dot at 4 and a line going to the left on the number line.
What is the graph of a number?
A dot on the number line that represents the location of the number
Can you find pi on the number line?
Only approximately. Since pi is an irrational number, it cannot be expressed numerically, but only symbolically. You can put a dot on the line very close to where pi would be, but if the scale of the line were magnified enough, there would always be some error in the placement of the dot.
Why is an angle measures 180 degrees?
A straight line. Draw a straight line. Make a dot/point on that line. From a point on the line to the left of the dot , sweep an arc to a point on the line to the right of the dot. You will find it to be 180 degrees.
