Jawaban:
A. 32 cm
Penjelasan dengan langkah-langkah:
AB = BC
x + 6 = 3x + 2
x - 3x = 2 - 6
-2x = -4
x = 2
s = x + 6
s = 2 + 6
s = 8 cm
K = 4s
K = 4 × 8
K = 32 cm
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Jawaban:
A. 32 cm
Penjelasan dengan langkah-langkah:
AB = BC
x + 6 = 3x + 2
x - 3x = 2 - 6
-2x = -4
x = 2
s = x + 6
s = 2 + 6
s = 8 cm
K = 4s
K = 4 × 8
K = 32 cm