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2, the two smallest sides are perpendicular to eachother.

Q: How many perpendicular sides does a right angled triangle have?

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right angled triangle does not have all equal sides

Yes. If it is a right triangle, the angle opposite the hypotenuse will be right, 90o, therefore if the lines forming the angle were to continue, they would be perpendicular. What's the question?

An acute angled triangle, right angled triangle or obtuse angled triangle.

A right angle triangle has no parallel sides

A right angled triangle.

Related questions

A right angled triangle is an example of a shape with exactly 2 perpendicular sides.

right angled triangle does not have all equal sides

A right-angled triangle can have equal sides, but does not have to. A right-angled triangle with two equal sides CANNOT be an equilateral triangle. A right-angled triangle cannot be an equilateral triangle.Divide a square along the diagonal, and you are left with two right-angled triangles with two sides of equal length.

Yes. If it is a right triangle, the angle opposite the hypotenuse will be right, 90o, therefore if the lines forming the angle were to continue, they would be perpendicular. What's the question?

An acute angled triangle, right angled triangle or obtuse angled triangle.

A right angle triangle has no parallel sides

No, not in general. Only a right triangle has two sides which are perpendicular.

Right angled, scalene.

The perpendicular sides of a right triangle are its legs. The remaining side is the hypotenuse.

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.

right angled triangle

yes and then it will be called a right-angled triangle