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What two shapes will tile a plane?
heptagon and an equilateral triangle
What are some shapes that begin with the letter E?
An equilateral triangle is a shape. It begins with the letter e.Ellipse, equilateral triangle, to name two shapes beginning with the letter 'e'.
Is every equilateral triangle isosceles?
There are two definitions of isosceles, one of which defines it as a triangle with exactly two equal sides, which excludes equilateral triangles. The other definition is a triangle with two or more equal sides and therefore is inclusive of equilateral triangles.
What is the length of the third side of an equilateral triangle have?
The length of the third side of an equilateral triangle is the same as the lengths of both of the other two sides.
When a square is divided by diagonal is it called an equilateral triangle?
no but the diagonal divides the square into two equilateral triangles. An equilateral triangle is a triangle that has two sides of the same length
How is an equilateral triangle an isosceles triangle?
An equilateral triangle, by definition, has three sides of equal length. The definition for an isosceles triangle is that it must have two sides of equal length, the other side being free to have any length. Based on these two definitions, we can say that an equilateral triangle is a special case of the isosceles triangle, namely one where the third side is also equal to the other two sides.
How is an equilateral triangle an isosceles?
An equilateral triangle, by definition, has three sides of equal length. The definition for an isosceles triangle is that it must have two sides of equal length, the other side being free to have any length. Based on these two definitions, we can say that an equilateral triangle is a special case of the isosceles triangle, namely one where the third side is also equal to the other two sides.
Which shape has more than one line of symmetry?
Many shapes have more than one line of symmetry. These include a rectangle, equilateral triangle, and a square. While a rectangle has two lines of symmetry, an equilateral triangle has three.
Is a triangle equiangular?
It depends on what type of triangle it is.If it is equilateral then it will also be equiangular.If it is isosceles then it may be equiangular (it depends whether it is equilateral or not - an isosceles can be equilateral or it can just have two equal sides).Any other type of triangle will not be equiangular.
A shape that has two halves that are mirror images of each other?
equilateral triangle
What is a triangle with two congruent sizes?
it is a equilateral triangle.
Can all isosceles triangles be equilateral triangles?
No, not all isoceles triangles can be equilateral triangles because an equilateral triangle has sides that are all equal to each other and an isoceles triangle has only two sides that are equal to each other.
