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Because it has only 3 sides and a polygon must have 4 or more sides to have diagonals. A diagonal of a polygon is a line segment which connects two non-adjacent vertices. Since from any vertex of a triangle, you are adjacent to both of the other vertex, there are not any non-adjacent vertices.

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How do you draw diagonal triangle?

To draw a diagonal triangle, start by sketching a triangle with three points labeled A, B, and C. Next, draw a diagonal line connecting two non-adjacent vertices, such as from point A to point C. This line will divide the triangle into two smaller triangles, creating the diagonal effect. Ensure your lines are clear and defined for better visibility.


If you draw one diagonal inside a pentagon what two shapes are formed?

triangle and trrapezium


Does a triangle have a diagonal?

No


What is a polygon with no diagonal?

The only polygon with no diagonal is the triangle.


How can you make one cut in a hexagon to make a triangle and a pentagon?

You need to draw one diagonal. Look at the hexagon and then look at a pentagon. The triangle should stand out pretty well then.


How do you put diagonal in a sentence?

you talk about how a triangle's line is diagonal.


Can you get a right triangle out of a rectangular prism?

Draw a straight line segment connecting two opposite corners of one of the rectangular faces (a diagonal).


How do you measure a shape that has four side that are not equal?

Draw a diagonal to divide it into two triangles; find the area of each triangle and add the answers.


How Draw 2 connected squares with x in the middle and triangle without lifting?

Hard to explain without showing you but i will give it a go and hope you can follow it: draw a V. from the top right or the V draw a straight line down twice the length of the V. go diagonal left towards the bottom of the V. go down diagonal left to form an X. draw a line to the right. go down then left then up to form a square. up again to connect to the top of the X. then draw the triangle at the top.


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Use the word diagonal in a sentence?

Kitty-corner is another term for diagonal. A right triangle's hypotenuse is on a diagonal. On a keypad, the five is on a diagonal from the nine.