Penjelasan dengan langkah-langkah:
ML ^2 = 15^2 - 9^2
ML^2 = 225 - 81
ML = 12 cm
L = L segitiga siku^2 + L jajar genjang
L = (12 × 9 × 1/2) + (12×7)
L = 54 + 84
L = 138 cm^2
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Penjelasan dengan langkah-langkah:
ML ^2 = 15^2 - 9^2
ML^2 = 225 - 81
ML = 12 cm
L = L segitiga siku^2 + L jajar genjang
L = (12 × 9 × 1/2) + (12×7)
L = 54 + 84
L = 138 cm^2