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If it's a right triangle, then one.There is no other way to have a perpendicular angle in a triangle without it being 90 degrees, or right.

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Q: How many perpendicular angles do a triangle have?
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Related questions

How many perpendicular lines on a right angle triangle?

The 2 perpendicular sides of a right angle triangle intersect each other at right angles


How many perpendicular lines does a right angle triangle has?

It has a pair of perpendicular lines that meet at right angles to form the 90 degree angle of a right angle triangle.


How many pairs of perpendicular sides does a right triangle have?

Perpendicular means meeting at a right angle. A right triangle has 2 sides that are perpendicular, so it has 1 pair of sides that are perpendicular They are known as the "legs" of the right triangle.


What are lines that meet at right angles called?

Perpendicular.


You have two perpendicular lines with three angles what are you?

a right triangle


Does a triangle have parallel and perpendicular sides?

A triangle has no parallel sides but in the form of a right angle triangle it has perpendicular lines that meet at right angles which is 90 degrees.


How many perpendicular edges are there in a triangular prism?

There are twp perpendicular edges in a triangular prism. See if you draw a triangle you'll have two angles or edges that are the same length. That is if you draw a standard triangle.


Are all the sides of a right triangle perpendicular?

If you have a triangle then one of the sides cannot be perpendicular to the other two. It is true for a square but it is impossible with a triangle. Definition of perpendicular: Being at right angles to the horizontal; vertical.


What is the term for the point where the perpendicular bisectors in a triangle meet?

They meet at right angles


What shape has 2 perpendicular lines and three angles?

A right angled triangle.


Can a triangle have perpendicular sides?

A triangle can have one angle made up of perpendicular lines. That would be called a right triangle. A triangle cannot have more than one angle made up of perpendicular lines however. To see why, remember that an angle created by two perpendicular lines is 90 degrees and a triangle is made up of three angles that sum to 180 degrees. If two angles were 90 degrees the third angle would have to be 0 degrees, in which case the shape is no longer a triangle.


What are lines that intersect to form a right triangle?

Perpendicular lines intersect at right angles.