ARTICLES

Some shapes that have no lines of symmetry include the scalene triangle and trapezium. A trapezium is a four-sided flat shape with straight sides, none of which are parallel. Outside of the United States, the trapezium i...

www.reference.com/world-view/shapes-lines-symmetry-a02e002c2155f0b4

One shape that has at least one line of symmetry is a rectangle. A rectangle has two lines of symmetry. Line symmetry,is also known as reflection symmetry.

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An oval has two lines of symmetry. A line of symmetry is defined as the line that a figure can be divided into half, with the end result of the two halves matching up exactly. Each side of the divided side looks like a m...

www.reference.com/world-view/many-lines-symmetry-oval-shape-b7112f5f030b3038

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SIMILAR ARTICLES

The number of lines of symmetry a triangle has depends on the type of triangle. An equilateral triangle has three lines of symmetry, while an isosceles has one line of symmetry, and a scalene triangle has none.

www.reference.com/world-view/many-lines-symmetry-triangle-ea47232cac454e90

To find the height of a scalene triangle, the formula for the area of a triangle is necessary. The equation is area = 1/2hb, where h is the height and b is the base. However, before using this formula, other calculations...

www.reference.com/world-view/height-scalene-triangle-428849ac62be46ab

A right triangle either has one or no lines of symmetry. An isosceles right triangle, one with two sides of equal length, has one line of symmetry. A scalene right triangle, one with no sides of equal length, has no line...

www.reference.com/article/many-lines-symmetry-right-triangle-2962999604ee6b1

An isosceles triangle could have rotational symmetry if it were also an equilateral triangle. An isosceles triangle is a triangle with at least two equal sides. An equilateral triangle is a triangle with exactly three eq...

www.reference.com/world-view/isosceles-triangle-rotational-symmetry-a39b5e34b7d51d15

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