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A right angle triangle has a right angle and two acute angles that all add up to 180 degrees.

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Q: If a triangle has a right angle it is a right triangle. If and only if a triangle had a right angle it is a right triangle?

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A triangle can have only one right angle (90o). Such a triangle is called a right triangle.

True

A right angle triangle

A triangle has only 1 right angle. It only has one side that can possibly be a right angle. The type of triangle varies.

A right angle triangle can only have one right angle of 90 degrees

Related questions

1. A triangle is a right triangle if and only if it has a right angle. 2. A triangle has a right angle if and only if it is a right triangle.

1. A triangle is a right triangle if and only if it has a right angle. 2. A triangle has a right angle if and only if it is a right triangle.

A triangle can have only one right angle (90o). Such a triangle is called a right triangle.

True

yes. a right triangle must have one angle that measures 90 degrees

A right angle triangle

A triangle has only 1 right angle. It only has one side that can possibly be a right angle. The type of triangle varies.

A right angle triangle can only have one right angle of 90 degrees

google 'right triangle'

This is one of those instances where US terminology causes totally unnecessary confusion. The original description of a triangle containing a 90o angle is "a right-angled triangle".

Sum of all angles at vertices in a triangle is 180. Right angle means 90 Degree. A triangle can have only one Right angle.

A right angle triangle