A. 24 cm
B. 60 cm dan 216 cm²
Penjelasan dengan langkah-langkah:
A
Luas = ½ × d1 × d2
216 = ½ × AC × BD
216 = ½ × 18 × BD
216 = 9 × BD
BD =
B
Mencari sisi terlebih dahulu
K = 4 × s
K = 4 × 15
K =
Luas =
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A. 24 cm
B. 60 cm dan 216 cm²
Penjelasan dengan langkah-langkah:
A
Luas = ½ × d1 × d2
216 = ½ × AC × BD
216 = ½ × 18 × BD
216 = 9 × BD
BD =
BD =
B
Mencari sisi terlebih dahulu
K = 4 × s
K = 4 × 15
K =
Luas =
Kesimpulan: