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What are the 7 types of triangles?
The seven types of triangles are Isosceles, equilateral, scalene, equiangular, acute-angled, obtuse-angled, and right-angled
Does a obtuse angled isosceles triangle have congruent side?
All isosceles triangles must have two congruent sides otherwise it is not isosceles. Whether it is acute angled, right angled or obtuse angled is irrelevant.
Which types of triangles can be formed by taking the cross-section of a cube?
Equilateral, Isosceles or Scalene. For the latter two they could be acute or right angled
Are right triangles always isosceles?
No. For example a 3, 4, 5 cm triangle is right angled but not isosceles.
What congruent shape can 2 right-angled triangles make?
Isosceles triangle
Do triangles have all equal sides?
only equilateral triangles the other three, scalene isosceles and right angled, do not
How many right angles does a isosceles triangle have?
It can only have a maximum of one- and that is only if it is a right-angled isosceles triangle. ----------------------------------------------------- Yes not all isosceles triangles are right angle triangles - this is a special case.
Does a right angled triangle have a line of symmetry?
yes * * * * * Usually, no. Only isosceles right angled triangles have a line of symmetry.
Are two isosceles triangles never similar?
Two isosceles triangles can be similar if their angles are congruent. Since isosceles triangles have at least two equal sides, they also have two equal angles opposite those sides. If two isosceles triangles have the same angle measures, then they are similar regardless of the lengths of their sides. Therefore, it is incorrect to say that two isosceles triangles are never similar; they can be similar under certain conditions.
How many right angles does a isosceles right triangle have?
It can only have a maximum of one- and that is only if it is a right-angled isosceles triangle. ----------------------------------------------------- Yes not all isosceles triangles are right angle triangles - this is a special case.
Are scalene and isosceles triangles similar?
No because they are different types of triangles
Are two isosceles triangles similar?
Yes, as long as they're both isosceles
