Question

tolong jawab dengan benar terimakasih (sudah ada jawabannya tpi belom ada cara. tolong sediakan cara )​

Answer 1

Jawaban:

Cari nilai x

• 2x + x + 90 = 180°
• 3x + 90 = 180°
• 3x = 180 - 90
• = 90°
• x = 90 : 3 = 30°

x + z = 180°

• 30 + z = 180
• z = 180 - 30 = 150°

2y + z = 180°

• 2y + 150 = 180°
• y = (180 - 150) : 2
• = 30 : 2 = 15°

z - y = 150 - 15 = 135°