Jawaban:
12 cm persegi
Penjelasan dengan langkah-langkah:
[tex]L = \frac{1}{2} DE.DF.sin \: \angle \: D = \frac{1}{2} \times 6 \times 8 \times sin \: 150^\circ = 24 \times \frac{1}{2} = 12 \: {cm}^{2} [/tex]
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Jawaban:
12 cm persegi
Penjelasan dengan langkah-langkah:
[tex]L = \frac{1}{2} DE.DF.sin \: \angle \: D = \frac{1}{2} \times 6 \times 8 \times sin \: 150^\circ = 24 \times \frac{1}{2} = 12 \: {cm}^{2} [/tex]