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Yes. Always
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.
yes, because perpendicular lines always intersect. all lines intersect unless they are parallel or on separate planes (skew)
There are no parallel lines in a triangle !
An equilateral triangle contains at least 2 lines of symmetry (it actually contains 3 lines of symmetry). An equilateral triangle is also radially symmetric.If the question is "Is there a triangle with exactly 2 lines lines of symmetry?", the answer is no.
If at least two of the three lines are parallel, the three lines will not form a triangle.
An equilateral triangle.
A triangle is 3 lines or sides connected together at their ends. These lines are not always the same lengths.
Yes. Always
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.
Yes, there can be oblique lines in a triangle. However, there can only be oblique lines in a triangle if the triangle is considered to be a 'right' triangle.
Since the statement does not say that they have exactly two lines of symmetry, I do not believe that there is a counter example.
An EQUILATERAL Triangle. Two lines of symmetry is ISOSCELES Triangle No lines of symmetyry is SCALENE Triangle.
yes, because perpendicular lines always intersect. all lines intersect unless they are parallel or on separate planes (skew)
There are no parallel lines in a triangle.
Line #1 ==> Y = x Line #2 ==> Y = x + 1 These two lines are parallel, have no points in common, and never intersect. (3 ways to say the same thing)
There are no parallel lines in a triangle !