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When graphing circles how do you know which way to shade the line?
When graphing inequalities you use a circle to indicate a value on a graph. If the value is included in the solution to the inequality you would fill in the circle. If the value that the circle represents is not included in the solution you would leave the circle unshaded.
What is diameter of a circle?
The diameter of a circle is a straight line going from one point on its boundary, through the centre of the circle, to the boundary on the other side.
What state has a boundary that is a perfect circle?
Delaware has a boundary that is a curve (part of a circle). The arc radius is 12 miles. By default, the adjoining State of Pennsylvania also has a curved boundary.
What is a line segment from the center of a circle to any point on the boundary of circle?
its called a Radius
Is circumference a chord?
Not at all! The circumference is the length of the boundary of a circle. A chord is a straight line(or a line segment) that passes through two points on the boundary of a circle (or on a curve).
What is the type of circle used on a number line when the boundary point is not part of the solution set?
It is an "open" circle. That is, a circle which is not filled in.
When graphing circles how do you know which way to shade the line?
When graphing inequalities you use a circle to indicate a value on a graph. If the value is included in the solution to the inequality you would fill in the circle. If the value that the circle represents is not included in the solution you would leave the circle unshaded.
What is the name of boundary of circle?
The boundary or perimeter of a circle is its circumference.
What does open circle mean in math?
An open circle is usually found on a number line in math. An open circle usually represents a number that is not included in the line.
What is diameter of a circle?
The diameter of a circle is a straight line going from one point on its boundary, through the centre of the circle, to the boundary on the other side.
What is the boundary of a circle?
The boundary or perimeter of a circle is called the circumference. The formula for calculating the length of the circumference is C = 2πr.
What state has a boundary that is a perfect circle?
Delaware has a boundary that is a curve (part of a circle). The arc radius is 12 miles. By default, the adjoining State of Pennsylvania also has a curved boundary.
What degrees north latitude marks the boundary of the Arctic Circle?
Approximately 66° 33' 39" N marks the boundary of the Arctic Circle
What is the boundary line of a circle called?
Circumfrence
What is the difference of an Open and closed circle number line?
With an open circle, the number at which the circle is is NOT included in the dataset; with a closed circle it is. For example if a line is drawn on the number line between 0.5 and 1.5 with a closed circle at 0.5 and an open circle at 1.5, then it represents the numbers between 0.5 and 1.5 including 0.5 but excluding 1.5; this range is the numbers which round to 1 to the nearest whole number.
What does a closed a circle in a number line mean?
A Closed Circle means that that number is INCLUDED in the line of numbers. An OPEN circle means the line of numbers go up to the given number , BUT does NOT include the given number.
Why it is necessary to use an empty circle to graph solutions of inequalities?
It is not necessary - it is a convention to distinguish between the end points of a range being included or not in the solution.
