Jawab no 7 please besok dikumpulin

Jawab:

Penjelasan dengan langkah-langkah:

B = C

A = B – 42°

A + B + C = 180°

B – 42° + B + B = 180°

3B = 180°+42°

3B = 222

B = 74

A = 74 – 42

= 32 °

B = 74°

C = 74°

Bomat elu berisik diem napa mau gua nampol