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If it were a perfect heptagon then it would be convex. If it had any indentations then it would be concave.

Q: Is a heptagon concave

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No, a heptagon cannot be parallel but two heptagons can.A heptagon can be concave.

I think it is niether * * * * * A heptagon is simply a plane shape bounded by seven straight sides. Any polygon with three of more sides can be concave or convex.

It depends entirely on their relative shapes and sizes. They could make a triangle, a parallelogram, a square, or a pentagon or even a concave heptagon.

None, because there is no such shape. There is a heptagon (7 sides) or an octagon (8 sides), and the answers will be different depending on what you meant. In their convex form, either can have at most 3 right angles. But a concave heptagon can have any number up to 6 right angles. A concave octagon can have up to 7 interior right angles. It can, in fact have all eight if reflex right angles (270 deg) are allowed.

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No, a heptagon cannot be parallel but two heptagons can.A heptagon can be concave.

Yes, it can.

The answer depends on the shapes. Some possible answers are: parallelogram, trapezium, pentagon, heptagon (concave).The answer depends on the shapes. Some possible answers are: parallelogram, trapezium, pentagon, heptagon (concave).The answer depends on the shapes. Some possible answers are: parallelogram, trapezium, pentagon, heptagon (concave).The answer depends on the shapes. Some possible answers are: parallelogram, trapezium, pentagon, heptagon (concave).

I think it is niether * * * * * A heptagon is simply a plane shape bounded by seven straight sides. Any polygon with three of more sides can be concave or convex.

This would be a type of concave or reentrant polygon, but might also have a specific name, perhaps a concave heptagon, or a reentrant heptagon.

It is an irregular, concave heptagon. But the shape has no special name.

It is simply a closed seven-sided plane figure, bounded by seven straight lines, each of the same length. There is no requirement for the angles to be the same - in fact the shape can be concave.

It depends entirely on their relative shapes and sizes. They could make a triangle, a parallelogram, a square, or a pentagon or even a concave heptagon.

A seven sided shape with a dip For a picture, go here http://etc.usf.edu/clipart/42600/42617/irreghept_42617.htm hope i helped you!

None, because there is no such shape. There is a heptagon (7 sides) or an octagon (8 sides), and the answers will be different depending on what you meant. In their convex form, either can have at most 3 right angles. But a concave heptagon can have any number up to 6 right angles. A concave octagon can have up to 7 interior right angles. It can, in fact have all eight if reflex right angles (270 deg) are allowed.

A seven-sided shape (polygon) is called a heptagon.

it is a heptagon Horseisle answer: Heptagon Narcissa from Pally server