A facts for kids
- This page is about the first letter in the alphabet.
- For the indefinite article, see Article (grammar).
- For other uses of A, see A (disambiguation)
|The Latin alphabet|
A is the first letter of the English alphabet. The small letter, a, is used as a lower case vowel. However, the English long a (ā) is said as a diphthong of ĕ and y. The same letter of the Greek alphabet is named alpha. Alpha and omega, the last letter of the Greek alphabet, means the beginning and the end. In musical notation, the letter A is the symbol of a note in the scale, below B and above G. In binary numbers, the letter A is 01000001.
A is the letter that was used to represent a team in an old TV show, The A-Team.
Where it came from
This Phoenician letter helped make the basic blocks of later types of the letter. The Greeks later modified this letter and used it as their letter alpha. The Greek alphabet was used by the Etruscans in northern Italy, and the Romans later modified the Etruscan alphabet for their own language.
Using the letter
The letter A has six different sounds. It can sound like æ, in the International Phonetic Alphabet, such as the word pad. Other sounds of this letter are in the words father, which developed into another sound, such as in the word ace.
Use in mathematics
In algebra, the letter "A" along with other letters at the beginning of the alphabet is used to represent known quantities.
In geometry, capital A, B, C etc. are used to label line segments, lines, etc. Also, A is typically used as one of the letters to label an angle in a triangle.new:प्रिथिबी
A Facts for Kids. Kiddle Encyclopedia.