Jawaban:
Sudut ACB = 30°
Sudut BAC = 90°
Sudut ABC = 60°
Panjang AB
Sin a = b/c
Sin 30° = b / 15
½ = b / 15
2b = 15 x 1
2b = 15
b = 15 / 2
b = 7,5 cm
Panjang AC
Cos 60 = a / c
½ = a/ 15
2a = 15 x 1
2a = 15
a = 15 / 2
a = 7,5 cm
Jadi panjang AB dan AC = 7,5
Semoga membantu dan tidak keliru
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Verified answer
Jawaban:
Sudut ACB = 30°
Sudut BAC = 90°
Sudut ABC = 60°
Panjang AB
Sin a = b/c
Sin 30° = b / 15
½ = b / 15
2b = 15 x 1
2b = 15
b = 15 / 2
b = 7,5 cm
Panjang AC
Cos 60 = a / c
½ = a/ 15
2a = 15 x 1
2a = 15
a = 15 / 2
a = 7,5 cm
Jadi panjang AB dan AC = 7,5
Semoga membantu dan tidak keliru