Can someone tell me the high notes that are sung by bts jimin in his song 'lie'? and what type of voice is he using to sing them ( head voice, chest voice? )

Lliana wants to find the perimeter of triangle abc. she uses the distance forumla to determine the length of ab. finish lliana's calculations to find the length of ab. what is the perimeter of triangle abc? round the answer to the nearest tenth, of necessary.