Besar sudut bac adalah​

Jawaban:

c. 55°

Penjelasan dengan langkah-langkah:

180° =95°+x°+10°+3x°-5°

180° =100°+4x°

180°-100°=4x°

80°÷4° =x

20° =x

BAC=(3(20)-5)°

=(60-5)°

=55°