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INCORRECT: No because there is a obtuse triangle and a right triangle

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Yes all triangles have at least two acute angles. Obtuse triangles and right triangles also have at least two acute angles. They are called obtuse triangles and right triangles because by definition they are triangles with ONE obtuse angle and ONE right angle. So therefore they both have 2 acute angles. Also for an acute triangle, it would have 3 acute angles.

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โˆ™ 2012-09-30 22:38:20
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Q: Do all triangles have two acute angles?
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Related questions

Which shapes have acute angles?

All triangles have at least two acute angles. Acute triangles have three. Rhomboids also have two acute angles.


What types of triangles have at least two acute angles?

All triangles need at least two acute angles


Do all acute triangles have only one acute angle?

No. All triangles MUST have at least two acute angles.


How many triangles have at least two acute angles?

All of them


Do all triangles have at least two acute angles?

Yes


Do triangles have at least one right angle?

Triangles can be classified by their sides or their angles. When classifying them by their angles, triangles are called: acute triangles - all three angles are acute (less than 90º) right triangles - one right angle (90º) and two acute angles obtuse triangles - one obtuse angle (larger than 90º) and two acute angles


Can a triangle have two acute angles?

Yes. In fact, all triangles MUST have at least two acute angles.


Do all right triangles have acute angles?

All right angle triangles have a 90 degree angle and two acute angles that add up to 90 degrees


Are all triangles have 2 acute angles?

Yes, that is the least amount of acute angles a triangle may posses, but a triangle may also have three acute angles. The sum of all triangles' interior angles are equal to 180 degrees; therefore, it is physically impossible to have less than two acute angles, yet entirely possible to contain two or three acute angles.


What do triangles have?

two acute angles and three lines


Do isosceles triangles have exactly two acute angles?

Answer: Yes, because of the two angles have to be exactly equal in order to be isosceles. And no isosceles has 3 acute angles and then it will be equilateral triangle Answer: No, the isosceles triangle can either have two acute angles, or all three can be acute.


What is a triangle with at least 2 acute angles?

All triangles have at least two acute angles so the question does not add any further value.

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