# Septagon vs. Heptagon — Which is Correct Spelling?

By Tayyaba Rehman & Fiza Rafique — Updated on March 18, 2024
"Septagon" is the incorrect spelling; the correct term is "Heptagon," which refers to a seven-sided polygon.

## Which is correct: Septagon or Heptagon

How to spell Heptagon?

### Septagon

Incorrect Spelling

Correct Spelling

## Key Differences

Think of the term "heptathlon," an athletic event with seven parts, to remember "Heptagon."
Note the 'H' in "Heptagon" for its seven sides and angles.
Recall that "hepta-" is Greek for seven, aligning with other geometrical terms like hexagon.
Remember that "sept-" is usually used in the context of months, like September.
"Heptagon" has the prefix "hept-" which is also found in "heptad," a group of seven.

## How Do You Spell Heptagon Correctly?

Incorrect: The child tried to draw a septagon, but it didn't look quite right.
Correct: The child tried to draw a heptagon, but it didn't look quite right.
Incorrect: In geometry, a septagon is less commonly used to refer to a seven-sided polygon.
Correct: In geometry, a heptagon is a seven-sided polygon.
Incorrect: Many people aren't familiar with the term septagon.
Correct: Many people aren't familiar with the term heptagon.
Incorrect: She found a tile shaped like a septagon at the antique shop.
Correct: She found a tile shaped like a heptagon at the antique shop.

## Heptagon Definitions

Heptagon refers to a closed, flat, seven-sided shape.
The architect used a heptagon as the base for the tower.
A Heptagon is a plane figure with seven equal or unequal sides.
They formed a heptagon with seven pieces of string.
A Heptagon is a geometrical figure with seven straight edges.
He cut out a heptagon from a sheet of paper.
A Heptagon is a polygon with seven sides and seven angles.
The children drew a heptagon on the chalkboard.
Heptagon denotes a seven-sided figure in Euclidean geometry.
The art piece was shaped like a heptagon.
In geometry, a heptagon is a seven-sided polygon or 7-gon. The heptagon is sometimes referred to as the septagon, using "sept-" (an elision of septua-, a Latin-derived numerical prefix, rather than hepta-, a Greek-derived numerical prefix; both are cognate) together with the Greek suffix "-agon" meaning angle.
A plane figure with seven straight sides and angles.
A polygon with seven sides and seven angles.
(geometry) A polygon with seven sides and seven angles.
A plane figure consisting of seven sides and having seven angles.
A seven-sided polygon

## Heptagon Meaning in a Sentence

The sum of the interior angles of a heptagon is 900 degrees.
Each interior angle in a regular heptagon measures approximately 128.57 degrees.
A heptagon has seven angles in addition to its seven sides.
A regular heptagon cannot be constructed with a compass and straightedge alone; it requires the use of a marked ruler or other tools.
The construction of a heptagon involves dividing a circle into seven equal parts.
In the Christian tradition, the heptagon represents the seven days of creation and is a symbol of perfection.
In heraldry, a heptagon might symbolize the seven virtues or seven sins.

## Common Curiosities

#### Why is it called Heptagon?

It's called "Heptagon" because it has seven (hepta in Greek) sides and angles.

#### What is the pronunciation of Heptagon?

Pronounced as "HEP-tuh-gon."

#### Which vowel is used before Heptagon?

"A," as in "a heptagon."

#### What is the root word of Heptagon?

The root words are "hepta-" (seven) and "-gon" (angle).

Heptagons.

#### What is the verb form of Heptagon?

There is no verb form of "Heptagon."

Heptagon.

#### Which preposition is used with Heptagon?

"Of" can be used, as in "heptagon of points."

#### Which conjunction is used with Heptagon?

"And" is often used, as in "a heptagon and a hexagon."

No.

#### Is Heptagon a vowel or consonant?

It's a word, not a single letter.

Yes.

No.

No.

#### Is the word “Heptagon” a Direct object or an Indirect object?

It can be a direct object, as in "I drew a heptagon."

Noun.

Noun.

Neutral.

3 syllables.

#### Which determiner is used with Heptagon?

"This" or "that" can be used.

No.

Not usually.

No.

Hep-ta-gon.

#### How is Heptagon used in a sentence?

"The artist incorporated a heptagon into the design."

#### Which article is used with Heptagon?

"A" or "the" depending on the context.

#### What is the stressed syllable in Heptagon?

The first syllable, "Hep."

#### What is another term for Heptagon?

Seven-sided polygon.

#### What is the opposite of Heptagon?

There is no direct opposite.

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