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Luas = √s(s-k1)(s-k2)(s-k3)
ket , s = setengah keliling = 10 + 14 + 8 (bagi 2) = 32/2 = 16
k1, k2, k3 = sisi sisinya.
maka Luasnya = √16(16-10)(16-14)(16-8)
= √16.6.2.8
= 16√6
mungkin itu jwbnya kalo gk salah ngitung ...