1,000 Places to See Before You Die (Deluxe Edition): The World as You've Never Seen It Before

1,000 Places to See Before You Die (Deluxe Edition): The World as You've Never Seen It Before

Matematika nilai x adalah.. a.7,5° b.15° c.30 d.60°​

nilai x adalah.. a.7,5° b.15° c.30 d.60°​

Jawab:

Penjelasan dengan langkah-langkah:

jumlah sudut total = 360

2x+3x+(3x+30)+90 = 360

8x+ 120 = 360

8x = 240

x= 240/8

x = 30

2x + 3x + (3x + 30)° + 90== 360°

5x + 3x + 30° + 90° = 360°

8x + 120° = 360°

8x = 360° - 120°

8x = 240°

x = 30°

Sehingga nilai x adalah 30°

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