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Do triangles have all equal sides?
only equilateral triangles the other three, scalene isosceles and right angled, do not
Can right angled triangles be either isoceles or scalene?
Only if they contain a 90 degree angle
How many right angles in a scalene triangle?
Any triangle can have a maximum of one right angle. Most right triangles are scalene triangles. The only non-scalene right triangle is a 45° - 45° - 90° isosceles right triangle. It is not possible to have an equilateral right triangle in plane geometry. A scalene triangle does not have to have a right angle, but it can have one.
Are triangles isosceles?
They can be. There are 4 types of triangles: scalene, equilateral, right, and isosceles. A triangle can only be isosceles under the circumstance that it has at least 2 equal sides.
Why are scalene triangles and equilateral triangles different?
A scalene triangle has three unequal sides, an equilateral triangle has three equal sides. An isosceles triangle has two equal sides. Because with a scalene triangle only two sides are equal but with a equilateral triangle that would mean all sides are equal. (scalene = 2 sides & equilateral = all sides equal)
What does an isosceles and scalene triangles look like?
an isosceles triangle has only 2 equal length sides and a scalene triangle has no equally lengthen sides. obviously they are in the shape of a triangle.
Do triangles have all equal sides?
only equilateral triangles the other three, scalene isosceles and right angled, do not
Do triangles always have three lines of symmetry?
No, scalene triangles, which have sides of different lengths, have none. Isosceles triangles, with only two sides the same, only have one.
What is the use of scalene?
"Scalene" refers to triangles that have (only) two sides of the same length, and thus two equal interior angles.
Why are all scalene triangles obtuse?
Thay aren't. A scalene triangle has 3 uncongruent sides. While an isoceles has only one uncongruent.
Can right angled triangles be either isoceles or scalene?
Only if they contain a 90 degree angle
How many right angles in a scalene triangle?
Any triangle can have a maximum of one right angle. Most right triangles are scalene triangles. The only non-scalene right triangle is a 45° - 45° - 90° isosceles right triangle. It is not possible to have an equilateral right triangle in plane geometry. A scalene triangle does not have to have a right angle, but it can have one.
What 3D shape has a square and 3 triangles?
There can be no closed 3D shape with only one square and 3 triangles.
Are triangles isosceles?
They can be. There are 4 types of triangles: scalene, equilateral, right, and isosceles. A triangle can only be isosceles under the circumstance that it has at least 2 equal sides.
Why are scalene triangles and equilateral triangles different?
A scalene triangle has three unequal sides, an equilateral triangle has three equal sides. An isosceles triangle has two equal sides. Because with a scalene triangle only two sides are equal but with a equilateral triangle that would mean all sides are equal. (scalene = 2 sides & equilateral = all sides equal)
What is a 3d shape with two triangular faces?
It doesn't exist. The least number of sides for a 3-D shape only made of triangles is 4.
How do you find the lateral area of a scalene triangle without the height?
only solids have "lateral area". triangles have "area". the area of a scalene triangle is given by heron's formula. height not needed.
