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Only one right angle but up to 3 acute angles (think of an equilateral triangle, all angles are 60 degrees). On a non-flat surface all bets are off!

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Q: Can a triangle have at most one right angle or acute angle?
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What is the most right angles a triangle can have?

1 is all it can haveOne and two acute angles


Is the acute triangle same as the rough triangle you draw?

Most people, when asked to draw a triangle, would probably draw an acute or maybe a right triangle.


How many angles does a right triangle have?

A right triangle has only one right angle (a 90 degree angle), by definition. The sum of the other two angles equals 90 degrees, so the sum of all three angles is 180 degrees. Every triangle, right triangle or not, has three angles whose sum is 180 degrees.A right angle triangle has only 1 right angle which measures 90 degrees


Do triangles have at least 2 acute angles?

Yes. The sum of the angles in a triangle is 180° All angles in a triangle must be greater than 0° which means that the sum of any two angles must be less than 180° If two angles are right angles (90°), their sum is 180° which is not less than 180°; thus at most one angle can be a right angle. If one angle is a right angle and another is an obtuse angle (greater than 90°), then their sum is greater than 180°, which is not less than 180°; thus there can be at most one of a right angle and an obtuse angle. If two angles are obtuse angles, their sum is greater than 180°, which is not less than 180°; thus there can be at most one obtuse angle. If there is at most one right angle or an obtuse angle, there must be at least two acute angles.


How many right angles can one triangle contain?

A triangle can have at most 1 right angle, however depending on the triangle the may not be any.

Related questions

What is the most right angles a triangle can have?

1 is all it can haveOne and two acute angles


Which triangle has two acute angles and one obtuse angle?

If you are classifying triangles by their angles, an obtuse triangle has one obtuse angle and two acute angles. A triangle can have at most one obtuse angle. If the two acute angles are congruent, the triangle would also be isosceles.


Does an acute triangle have two right angles?

No, in fact no triangle can have two right angles. The sum of all interior angles of any triangle is 180 degrees. All triangles must have three angles. A right angle is 90 degrees. So if a triangle has two ninety degree angles, there would be no third angle. An acute triangle has all three angles less than 90 degrees. The most common acute triangle is the equilateral 60-60-60 degree triangle.


Is the acute triangle same as the rough triangle you draw?

Most people, when asked to draw a triangle, would probably draw an acute or maybe a right triangle.


Does a right triangle have numbers of right angles?

A triangle can have at most one right angle.


How many right angles do a triangle?

A triangle can have at most one right angle.


Does A Triangle Have A Number Of Right Angles?

A triangle can have at most one right angle.


How many angles does a right triangle have?

A right triangle has only one right angle (a 90 degree angle), by definition. The sum of the other two angles equals 90 degrees, so the sum of all three angles is 180 degrees. Every triangle, right triangle or not, has three angles whose sum is 180 degrees.A right angle triangle has only 1 right angle which measures 90 degrees


Can a scalene triangle have an obtuse angle?

Yup, it sure can! It is the triangle that is most seen to have an obtuse angle unlike the isosceles or equilateral. These triangles are more seen to have acute angles.


Do triangles have at least 2 acute angles?

Yes. The sum of the angles in a triangle is 180° All angles in a triangle must be greater than 0° which means that the sum of any two angles must be less than 180° If two angles are right angles (90°), their sum is 180° which is not less than 180°; thus at most one angle can be a right angle. If one angle is a right angle and another is an obtuse angle (greater than 90°), then their sum is greater than 180°, which is not less than 180°; thus there can be at most one of a right angle and an obtuse angle. If two angles are obtuse angles, their sum is greater than 180°, which is not less than 180°; thus there can be at most one obtuse angle. If there is at most one right angle or an obtuse angle, there must be at least two acute angles.


How many right angles can one triangle contain?

A triangle can have at most 1 right angle, however depending on the triangle the may not be any.


How many right angles in a scalene triangle?

Any triangle can have a maximum of one right angle. Most right triangles are scalene triangles. The only non-scalene right triangle is a 45° - 45° - 90° isosceles right triangle. It is not possible to have an equilateral right triangle in plane geometry. A scalene triangle does not have to have a right angle, but it can have one.