Tolong jawab ya pakai caranya
Matematika
yolladeviynti
Pertanyaan
Tolong jawab ya pakai caranya
1 Jawaban
-
1. Jawaban khairi03fia
misal ∠ ACB = y
y = 180 - ( 6x + 2 )
y = 178 - 6x
178 - 6x + 2x +9 + 65 = 180
- 4x = 180 - 252
- 4x = - 72
x = 18
∠ABC = 2x + 9
⇒ 2(18) + 9
36 + 9 = 45°