Question

boleh bantuin kak pelis lagi satu aja
mtk kelas 7 ​

Answer 1

Jawaban:

a

Penjelasan dengan langkah-langkah:

8x + 20 + 4x + 4 = 180

12x + 24 = 180

12(x + 2) = 180

x + 2 = 180/12

x = 15 - 2

x = 13

AOC = 8x + 20

AOC = 8(13) + 20

AOC = 104 + 20

AOC = 124°

pelurus AOC = 180 - 124

= 56°