Jawaban:
Penjelasan dengan langkah-langkah:
Luas ∆ = 135 cm²
a = 15√3 cm
t = .... cm
Luas ∆ = ½ × a × t
t = 2 × Luas ∆
a
t = 2 × 135
15√3
t = 270
t = 18 × √3
√3 √3
t = 18√3
√9
3
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Jawaban:
B
Penjelasan dengan langkah-langkah:
Luas ∆ = 135 cm²
a = 15√3 cm
t = .... cm
Luas ∆ = ½ × a × t
t = 2 × Luas ∆
a
t = 2 × 135
15√3
t = 270
15√3
t = 18 × √3
√3 √3
t = 18√3
√9
t = 18√3
3
t = 6√3 cm