Ideally, a business letter should not exceed one page, including the inside address and complimentary closing. A concise business letter is more effective than an overly wordy letter which can distract the reader or completely camouflage the object of the letter.
there are many units of length .But ,abbervation for length is reprersented by letter l.
The length of a cover letter should be around 2;3 paragraphs.
The letter b.
span
Inch
Centimeter
it depends on the length and width.
20
It is l. It is just a letter l. It is a abbreviation for it.
'Blazer'.
CUBE?
30 to 40 words