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An obtuse triangle can have no right angles, and has two equal angles.

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15y ago

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What type of triangle is angle abc obtuse acute or right?

If one of the angles is 90 degrees then it is right ange triangle If one of the angles is obtuse then it is an obtuse triangle If the three angles are 3 different acute then it is a scalene triangle If two of the angles are equal then it is an isosceles triangle If the three angles are equal then it is an equilateral triangle


Number of obtuse angles in a right triangle?

There are no obtuse angles in a right triangle. A right triangle consists of one right angle and two acute angles.


Are scalene triangles all obtuse?

No, a scalene triangle is simply a triangle where all angles are not equal and all side lengths are not equal, therefore they can or cannot be obtuse.


How many obtuse angles does a right triangle contain?

No right triangle can have any obtuse angles inside it.


What is a characteristic of a triangle right triangle and obtuse triangle?

A right angle triangle has a 90 degree angle and 2 acute angles An obtuse triangle has 1 obtuse angle and 2 acute angles


What are all the three triangles called?

Equilateral: equal sides and angles(60 degrees) Isosceles: two equal sides and angles Scalene: no equal sides or angles right triangle: has a 90 degree angle in it obtuse triangle: has an obtuse angle in it acute triangle: is made up of all acute angles


What type of angles are in an Isosceles triangle?

There are two equal acute angles. The third angle can be acute, right or obtuse.


What is the number of obtuse angles in a right triangle?

the number of obtuse angle in a right triangle is zer0


Classify the triangle by its angles and by its sides?

All angles equal = all sides equal = equilateral. Two angles equal = two sides equal = isosceles. All angles different = all sides different = scalene. An isosceles or scalene triangle may be right-angled or obtuse-angled if one of its angles is a right angle or obtuse angle (respectively).


What is the greatest number of obtuse angles in a right triangle?

0. A right triangle, by definition, will never include any obtuse angles.


What triangle has no obtuse or right angles in it?

An acute triangle


Has an isosceles triangle have an obtuse angle?

Not necessarily. The two equal angles in an isosceles triangle must both be acute angles. If they were right angles or obtuse angles then a triangle could not be formed. If the two equal angles are less than 45° each then the third angle is an obtuse angle. If they are both 45° then the third angle is a right angle and if they are both greater than 45° then the third angle is an acute angle.