Besar BOC adalah..
a. 40°
b. 50°
c.60°
d. 70°
Tolong dijawab dan menggunakan cara… terimakasih…
Perhatikan gambar berikut.
Jawaban:
AOC + BOC = 90°
3x – 2 + 4x – 6 = 90°
3x + 4x – 2 – 6 = 90°
7x – 8 = 90°
7x = 90 + 8
7x = 98
x = 98/7
x = 14
BOC = 4x – 6
BOC = 4(14) – 6
BOC = 56 – 6
BOC = 50°