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A Triangle

Ans 2.

An equilateral triangle has three axes of symmetry.

A scalene triangle has none.

An isosceles triangle is the only triangle with exactly one axis of symmetry.

Whether an isosceles triangle qualifies as non irregular depends on your definition of regular.

If the definition adopted allows an isosceles triangle to be regular, than any equilateral polygon can be converted into a figure that satisfies the question simply by increasing or decreasing the length of just one side by a small amount, symmetrically about its midpoint.

The axis of symmetry will be the perpendicular bisector of the side whose length was changed.

Q: A non irregular shape with one line of symmetry?

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Circles and Ovals DO have lines of symmetry: a circle has an infinite number of them (each is a diameter of the circle) and an oval (ellipse) has two (one along the major axis, one along the minor axis). Shapes which have no lines of symmetry are irregular ones, eg scalene triangles, along with most parallelograms (ie parallelograms which are not rhombuses) and non-isosceles trapezia. Some irregular shapes can have lines of symmetry, eg irregular octagons can have 1, 2 or 4 lines of symmetry as well as no lines of symmetry, unlike a regular octagon which [always] has 8 lines of symmetry.

An isosceles triangle has two equal sides and one line of symmetry

A shape with four non-parallel sides is an irregular quadrilateral. If the quadrilateral is bilaterally symmetrical, it is a deltoid (kite shape).

If a shape is two dimensional it has NO volume - volume is an attribute of THREE dimensional shapes.If you meant the AREA of an irregular two dimensional shape, then divided it up into areas which are not irregular and so you can calculates them, and sum the areas of these non-irregular shapes.If you meant the volume of an irregular THREE dimensional shape, then a similar process can be followed by dividing it up into three dimensional shapes you can can calculate the volume of and summing them, though if it is an irregular object that you are physically holding, then you can find its volume by finding the increase in volume of a liquid (In a regular container) when the object is submerged into that liquid.

Get any 4 sided shape and vary all the sides to different lenghts and make it look weird-there you go an irregular 4 sided shape.

Related questions

An equilateral triangle has both line symmetry and rotational symmetry. A non-equilateral isosceles triangle has line symmetry but not rotational symmetry. A scalene triangle has neither kind of symmetry.

irregular

Yes, most (non-regular) hexagons do not have lines of symmetry.

there is a lot like irregular shapes

um most non regular shapes?

An isosceles triangle.* * * * *An equilateral triangle has 3 lines of symmetry, while an isosceles triangle has only one, and any other triangle (non-isosceles right triangle, or scalene triangle) has zero.

An ISOSCELES TRiangle. The line of symmetry is from the angle of the two equal adjacent sides, to the mid-point of the NON-equal side.

Circles and Ovals DO have lines of symmetry: a circle has an infinite number of them (each is a diameter of the circle) and an oval (ellipse) has two (one along the major axis, one along the minor axis). Shapes which have no lines of symmetry are irregular ones, eg scalene triangles, along with most parallelograms (ie parallelograms which are not rhombuses) and non-isosceles trapezia. Some irregular shapes can have lines of symmetry, eg irregular octagons can have 1, 2 or 4 lines of symmetry as well as no lines of symmetry, unlike a regular octagon which [always] has 8 lines of symmetry.

Something that is symmetrical along a line. Like you could fold it in half and it would be the same. Like a rorschach inkblot. A butterfly. A person. The other kind of symmetry is radial symmetry, which is symmetrical from a point. Like a starfish. I think things that are radially symmetrical are always also laterally symmetrical, but there could be some weird exception to that that I can't think of.

An isosceles triangle has two equal sides and one line of symmetry

A shape where when you take any two points in the shape the line connecting them will be totally in the shape.

A shape with four non-parallel sides is an irregular quadrilateral. If the quadrilateral is bilaterally symmetrical, it is a deltoid (kite shape).