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What does a circle inside a circle in braille mean?

I believe a circle within a circle is not part of Braille - Braille consists of a series of dots arranged in patterns.


What is are the differences between circle graphs line graphs and bar graphs?

Circle graphs show data in a circle, while line graphs are akin to join the dots, and a bar graph shows data in vertical or horizontal bars, but all three show the same data results.


What are the characteristics of an ellipse?

Here's one way to think about an elllipse:-- Mark two black dots on a piece of paper, or stick two nails into a piece of wood.-- Mark a dot anywhere else on the paper, just not on the line between thefirst two.-- Measure the distance of the new dot from the first one, and from the second one,then add those two distances.-- If you draw another dot at every place on the paper where the sum of thetwo distances from the first two dots is the same sum, you'll have an ellipse.-- The first two black dots, or the nails, are the foci (focuses) of the ellipse.-- The farther apart the first two black dots are, the more eccentric the ellipse is ...skinny compared to its length.-- When the first two black dots get so close together that they're the same dot,then you have an ellipse whose eccentricity is zero, and there's a special name forthat ellipse. It's called a 'circle'.Easy way to draw it:-- Tie a piece of string in a loop.-- Drop the loop of string around the two nails.-- Put a pencil point into the loop. Pull it out to the side until there's no slack in the loop.-- Run the pencil around, keeping it against the string with no slack in the loop.You're drawing an ellipse.If you pull out one nail, you're drawing a circle.


What are the characteristics of ellipse?

Here's one way to think about an elllipse:-- Mark two black dots on a piece of paper, or stick two nails into a piece of wood.-- Mark a dot anywhere else on the paper, just not on the line between thefirst two.-- Measure the distance of the new dot from the first one, and from the second one,then add those two distances.-- If you draw another dot at every place on the paper where the sum of thetwo distances from the first two dots is the same sum, you'll have an ellipse.-- The first two black dots, or the nails, are the foci (focuses) of the ellipse.-- The farther apart the first two black dots are, the more eccentric the ellipse is ...skinny compared to its length.-- When the first two black dots get so close together that they're the same dot,then you have an ellipse whose eccentricity is zero, and there's a special name forthat ellipse. It's called a 'circle'.Easy way to draw it:-- Tie a piece of string in a loop.-- Drop the loop of string around the two nails.-- Put a pencil point into the loop. Pull it out to the side until there's no slack in the loop.-- Run the pencil around, keeping it against the string with no slack in the loop.You're drawing an ellipse.If you pull out one nail, you're drawing a circle.


How do you separate 10 dots with 4 lines?

To separate 10 dots with 4 lines, you can create a square with 4 dots at the corners and one dot in the center. This arrangement allows each line to intersect with at least 2 dots, effectively separating all 10 dots.