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No, not all triangles have a 90 degree angle, so not all are perpendicular.

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15y ago

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Can a triangle have 2 perpendicular sides always?

Not always.


Do the perpendicular bisectors of a triangle always sometimes or never intersect on the triangle?

The perpendicular bisectors only intersect on the triangle when it is an isosceles right triangle.


Is the altitude of a triangle always the perpendicular bisector?

No.


What triangle must always have at least one angle bisector that is also a perpendicular bisector?

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Does equilateral triangle have perpendicular sides?

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Which triangle is the only triangle that has perpendicular lines?

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