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yes it does have to have one

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10y ago

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All angles in a scalene triangle are acute?

A scalene triangle could have three acute angles, one right angle and two acute angles, or one obtuse angle and two acute angles.


What triangle has one obtuse angle and acute angle?

The triangle that has one obtuse angle and one acute angle is called a scalene triangle.I hope that helped!! : { )I also hope you like my mustache man. (above)


What has one obtuse angle and two acute angles?

If the 2 acute angles are equal then it is an isosceles triangle otherwise it is a scalene triangle.


What is the difference between an scalene acute triangle and an scalene obtuse triangle?

In an acute triangle, all angles are smaller then 90%, In a obtuse triangle, there is normally one angle greater then 90%. A easy way to remember acute triangle, is it has the word "cute" in it.


What shape has a right angle obtuse angle and acute angle?

A shape that has a right angle, an obtuse angle, and an acute angle is a scalene triangle. In a scalene triangle, all three angles are different, with one being a right angle (90 degrees), one being an obtuse angle (greater than 90 degrees), and one being an acute angle (less than 90 degrees). The sum of the angles in any triangle is always 180 degrees, so in a scalene triangle, the right, obtuse, and acute angles would add up to 180 degrees.


What is the name of a triangle with one angle of 85 degrees and another of 27 degrees?

An acute angled scalene triangle.


What is a triangle contanining one obtuse angle?

If the other two acute angles are of different sizes then it is an obtuse or a scalene triangle.


Are the exterior angles of a scalene triangle always obtuse?

No, they are not always obtuse, because a scalene triangle can also sometimes be an obtuse triangle (meaning that one interior angle is obtuse), making one exterior angle acute. Scalene triangles also can be a right triangles (meaning that one interior angle is a right angle), which would make an exterior angle a right angle. Then also they can be acute triangles, in this case all 3 exterior angles are obtuse.


Is a triangle with an acute angle scalene right equilateral obtuse isosceles?

It can be any one of the triangles in the list.


Can a right triangle be acute or scalene or isosceles?

A right triangle may be isosceles or scalene (though not at the same time), but never acute, since an acute triangle is defined as having all interior angles less than 90°. A right triangle by definition has one 90° angle.


What shape has 1 acute 1 obtuse 1 right angle?

The shape that has 1 acute angle, 1 obtuse angle, and 1 right angle is a scalene triangle. In a scalene triangle, all three angles are different, so it is possible for one angle to be acute (less than 90 degrees), one angle to be obtuse (greater than 90 degrees), and one angle to be a right angle (exactly 90 degrees). This unique combination of angles makes the scalene triangle a versatile geometric shape.


How do you draw an obtuse scalene triangle?

One angle must be an obtuse angle and the other two angles must be acute angles