Q: Can a triangle have more than one (1) 90-degree angle?

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acute angle IS SMALLER tHAN a Right Angle so it is Graeater than 0degree but Smaller than 90degree

An obtuse angled triangle, or more simply, an obtuse triangle.

-- No right triangle, acute triangle, or equilateral triangle has an obtuse angle in it. -- If a triangle has an obtuse angle in it, then it's called an obtuse triangle. -- No triangle can have more than one obtuse angle in it .

False, because a triangle can have only 1 obtuse angle

Obtuse triangle

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No, a triangle can not have more than one right angle.

No, a triangle can not have more than one right angle.

acute angle IS SMALLER tHAN a Right Angle so it is Graeater than 0degree but Smaller than 90degree

It is impossible for a triangle to have more than one right angle.

a more than 3 sided triangle a triangle with more than one obtuse/right angle

An obtuse angled triangle, or more simply, an obtuse triangle.

-- No right triangle, acute triangle, or equilateral triangle has an obtuse angle in it. -- If a triangle has an obtuse angle in it, then it's called an obtuse triangle. -- No triangle can have more than one obtuse angle in it .

False, because a triangle can have only 1 obtuse angle

Obtuse triangle

No, it cannot.

No, an obtuse triangle can not have more than one obtuse angle. This is because all of the angles have to add up to 180 and the smallest obtuse angle you can have is 91 degrees. So 180-91=89. 89 degrees is the angle that you need to complete the triangle and it is an acute angle. Therefore, you can not have more than one obtuse angle in an obtuse triangle.

A triangle cannot have more than one obtuse angle. All three of a triangle's angles must add up to 180 degrees, and because an obtuse angle must be more than 90 degrees, it is physically impossible.