Question

hai kak bantu aku kerjain 2 nomor mtk ini dong,terima kasih :D​

Answer 1

1. x = 15°

1. x = 15°2. x = 10°

Penjelasan dengan langkah-langkah:

1. 30° + 4x° = 90°

4x = 90° - 30°

x = 60° / 4

x = 15°

2. (5x + 10°) + 30° = 90°

5x = 90° - 30° - 10°

5x = 50°

x = 50° / 5

x = 10°