`Segitiga
Dari gambar di atas dapat disimpulkan bahwa:
Tinggi∆putih = Tinggi∆hitam
maka,
L∆ = ½ × alas × tinggi
L∆ = ½ × 12 × 8
L∆ = 6 × 8
L∆ = 48cm²
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`Segitiga
Dari gambar di atas dapat disimpulkan bahwa:
Tinggi∆putih = Tinggi∆hitam
maka,
L∆ = ½ × alas × tinggi
L∆ = ½ × 12 × 8
L∆ = 6 × 8
L∆ = 48cm²