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correct. 11-15: What is the perimeter of the triangle shown below (3x2 - 2x) cm (2x2+7) cm (x2 + 12x - 5) cm​

Sagot :

The international standard symbol for inch is in (see ISO 31-1, Annex A) but traditionally the inch is denoted by a double prime, which is often approximated by double quotes, and the foot by a prime, which is often approximated by an apostrophe. For example; three feet, two inches can be written as 3′ 2″.

Symbol: in or ″ (the double prime)