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Is it true that an isosceles triangle can be acute or obtuse?
Yes, it is true that an isosceles triangle can be acute or obtuse. As long as a triangle has two equal angles and two equal sides, it is isosceles. That situation can occur in both acute (all angles less than 900) and obtuse (one angle more than 900) triangles. Examples are a triangle with the angles being 75-75-30 degrees (acute) and one having angles of 120-30-30 (obtuse). Of course the sides of the angles that are equal would also be equal, so both examples are of isosceles triangles.
Is it true that isosceles triangles may be obtuse or acute but never right?
No, it is not true.
What is the least number of angles an acute triangle can have?
All acute triangles have 3 interior angles and 3 exterior angles. This is true for all triangles.
Can an Isosceles triangles may be obtuse or acute but never right?
Not true. A triangle with angles of 90, 45 and 45 is a right angled isosceles triangle. If you take a square piece of paper and fold it in half - from corner to corner - you will get this shape.
Is it true that an obtuse triangle has two acute triangles?
No, it is not true that an obtuse triangle has two acute triangles. An obtuse triangle has one obtuse angle (greater than 90 degrees) and two acute angles (less than 90 degrees). However, the triangle itself is classified as obtuse, not as having two acute triangles within it.
What statement sometimes true about the relationship between acute triangles and isosceles triangle?
The two acute angles are always equal.
Isosceles triangles can be acute or obtuse true or false?
true
Is it true that an isosceles triangle can be acute or obtuse?
Yes, it is true that an isosceles triangle can be acute or obtuse. As long as a triangle has two equal angles and two equal sides, it is isosceles. That situation can occur in both acute (all angles less than 900) and obtuse (one angle more than 900) triangles. Examples are a triangle with the angles being 75-75-30 degrees (acute) and one having angles of 120-30-30 (obtuse). Of course the sides of the angles that are equal would also be equal, so both examples are of isosceles triangles.
Is it true that isosceles triangles may be obtuse or acute but never right?
No, it is not true.
All equilateral triangles are acute and isosceles?
the answer is true, apex
What is the least number of angles an acute triangle can have?
All acute triangles have 3 interior angles and 3 exterior angles. This is true for all triangles.
What are the angles of an isosceles triangle?
They can be any size. The only unchanging 'fact' which is true about all isosceles triangles is that two of them are equal.
Can an Isosceles triangles may be obtuse or acute but never right?
Not true. A triangle with angles of 90, 45 and 45 is a right angled isosceles triangle. If you take a square piece of paper and fold it in half - from corner to corner - you will get this shape.
Is it true that Acute triangles have no angles whose measures are greater than 90 degrees?
True
Are some isosceles triangles equilateral triangles?
All isosceles triangles are not equilateral triangles
Is it true that all isosceles triangles can be equilateral triangles?
No
True or false All equilateral triangles are also isosceles triangles?
True
