using a ruler on a flat surface (paper on a table) draw a line.
draw a second line crossing the first.
draw a third line making sure the ruler goes through the place where the first two lines crossed.
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2 Pentagon-5 Hexagon - 9 formula diagonals=(n-3)+sum from i=1->i=(n-3) [i] diagonals=(n-3)+1+2+. . .+(n-3) The n-3 is because you cannot draw lines to a same point or adjacent ones. The reason (n-3) is used twice, is because the first 2 points you start to draw from are not connected to each other so they draw all the lines they can. Once you get to the third (assuming you are moving in a circle), the number of lines you can draw is reduced by 1, since that line is already drawn (to the first point). The 4th one now already has a line to the first and second points and so draws 2 less lines.
Use a protractor to draw a 55 degree angle and indicate that the angle needs to be measured once around the circle and then some.
There are an infinite number of any kind of points in any plane. But once you have three ( 3 ) non-collinear points, you know exactly which plane they're in, because there's no other plane that contains the same three non-collinear points.
Once you know the coordinates, you can use the distance formula to find the lengths of the sides, then using that, you can find the area.
To draw a triangle with an area of 6cm², you need to determine the base and height of the triangle. The formula for the area of a triangle is 0.5 * base * height. So, if the area is 6cm², you could have a base of 4cm and a height of 3cm, or a base of 6cm and a height of 2cm. Once you have the base and height values, you can draw the triangle with those measurements.