Choose the correct definition of timbre. A. volume level of the music
B. speed or pace of the music
C. layers of sound and combination of voices
D. unique sound quality of an instrument's 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.