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The sides of the triangle will always meet at angles such that two of them will appear 'diagonal'. But these are not defined as diagonal lines.
There are actually no diagonals intersecting any triangle. Try drawing one and connecting the vertices - it doesn't work and you simply end up tracing over the lines that define the triangle.
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Earn +20 ptsQ: Does a triangle always have diagonal lines?
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Continue Learning about Math & Arithmetic
How many diagonal lines are in a rightangle triangle?
None
What do you call the 3 intersecting diagonal lines in triangle?
angles...
What is a polygon with no diagonal?
The only polygon with no diagonal is the triangle.
How do you draw 3D?
What you do is for example on a cube the lines are diagonal and on a normal square the line is strait! In every 3d shape or anything there is always a diagonal line.
Does an isosceles triangle have two equal lines?
Yes. Always
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