Penjelasan dengan langkah-langkah:
l = ½ × a × t
l = ½ × 16 × 12
l = 8 × 12
l = 96cm²
===============
k = a + b + c
k = 16 + 12 + 20
k = 28 + 20
k = 48cm
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Penjelasan dengan langkah-langkah:
l = ½ × a × t
l = ½ × 16 × 12
l = 8 × 12
l = 96cm²
===============
k = a + b + c
k = 16 + 12 + 20
k = 28 + 20
k = 48cm