That is, formula_4 is 4 meters squared, whereas formula_5 is 4 square meters.
ð æ t WORD_BOUNDARY ɪ z WORD_BOUNDARY f ɔ ɹ m j ʊ l ə WORD_BOUNDARY f ɔ ɹ WORD_BOUNDARY ɪ z WORD_BOUNDARY f ɔ ɹ WORD_BOUNDARY m iː t ə ɹ z WORD_BOUNDARY s k w ɛ ɹ d WORD_BOUNDARY w ɛ ɹ æ z WORD_BOUNDARY f ɔ ɹ m j ʊ l ə WORD_BOUNDARY f aɪ v WORD_BOUNDARY ɪ z WORD_BOUNDARY f ɔ ɹ WORD_BOUNDARY s k w ɛ ɹ WORD_BOUNDARY m iː t ə ɹ z WORD_BOUNDARY