Penjelasan dengan langkah-langkah:
L = 1/2 × a × t
144 = 1/2 × a × 16
144 = 8a
8a = 144
a = 144/8
a = 18 cm
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Penjelasan dengan langkah-langkah:
L = 1/2 × a × t
144 = 1/2 × a × 16
144 = 8a
8a = 144
a = 144/8
a = 18 cm