Jawaban:
D
Penjelasan dengan langkah-langkah:
Sin 30°=1/2
1/2=y/4
2y=4
y=2 cm
Cos 30°=√3/3
√3/3=y/4
3y=√12
y=2√3 cm
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Jawaban:
D
Penjelasan dengan langkah-langkah:
Sin 30°=1/2
1/2=y/4
2y=4
y=2 cm
Cos 30°=√3/3
√3/3=y/4
3y=√12
y=2√3 cm