Penjelasan dengan langkah-langkah:
1. 2
2. -4x
3.
[tex]90 = 2b + 3b + 5 \\ 90 - 5 = 5b \\ 85 = 5b \\ \frac{85}{5} = b \\ 17 = b[/tex]
sehingga b = 17 derajat
maka
3b + 5
3(17) + 5
51 + 5
56°
semoga membantu, maaf jika salah
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Verified answer
Penjelasan dengan langkah-langkah:
1. 2
2. -4x
3.
[tex]90 = 2b + 3b + 5 \\ 90 - 5 = 5b \\ 85 = 5b \\ \frac{85}{5} = b \\ 17 = b[/tex]
sehingga b = 17 derajat
maka
3b + 5
3(17) + 5
51 + 5
56°
semoga membantu, maaf jika salah