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Q: How do you classify a triangle with only one angle?

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There are no triangles with only one angle.

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

obtuse triangle

A right angle triangle

A triangle cannot have only one angle!

Related questions

There are no triangles with only one angle.

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

obtuse triangle

You can classify a triangle by its sides, or by its angles.To classify a triangle by its sides:1- A triangle with three sides that are equal in length is called an equilateral triangle.2- A triangle with two sides of the same length and one different is called an isosceles triangle. 3- A triangle with no sides of equal length is called a scalene triangle. To classify a triangle by its angles: 1- A triangle with three angles that are greater than 0 and less than 90 degrees is called an acute triangle.2- A triangle with one angle that is 90 degrees exactly is called a right angle triangle.3- A triangle with one angle that is greater than 90 degrees is called an obtuse triangle.

A right angle triangle

A triangle cannot have only one angle!

One of them.

yes, it only needs one acute angle out of the three to make it an acute triangle.

A right angle triangle

No plane triangle can have only one acute angle.

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

Obtuse Triangle

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