Question

Perhatikan gambar berikut!
Besar pelurus < AOC adalah..
TOLONG BANTU JAWAB YA KAK PLIIIISSSS KU MOHON​

Answer 1

<AOC + < BOC = 180°

8x - 20 + 4x + 8 = 180°

8x + 4x -20 + 8 = 180°

12x - 28 = 180°

12x = 208°

x = 208 : 12

x = 17, 3

maka besar pelurus

<AOC = (8x - 20)

< AOC = 8 (17.3) - 20

< AOC = 118,4°