sin30 = sisi depan(x) / sisi miring
1/2 = x / 6
6 = 2x
x = 3 (sisi depan)
pake tripe phytagoras untuk cari alas
b^2 = 6^2 - 3^2
b^2 = 36 - 9
b^2 = 27
b = 3 akar3
luas = p x l
= 3akar3 x 3
= 9akar3
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sin30 = sisi depan(x) / sisi miring
1/2 = x / 6
6 = 2x
x = 3 (sisi depan)
pake tripe phytagoras untuk cari alas
b^2 = 6^2 - 3^2
b^2 = 36 - 9
b^2 = 27
b = 3 akar3
luas = p x l
= 3akar3 x 3
= 9akar3