Jawaban:
B
Penjelasan dengan langkah-langkah:
Keliling EFGH = 2 × Keliling ABCD
2 × ( GH + EH ) = 2 × 4s
40 + 20 = 4 × s
60 = 4 × s
s = 60
4
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Jawaban:
B
Penjelasan dengan langkah-langkah:
Keliling EFGH = 2 × Keliling ABCD
2 × ( GH + EH ) = 2 × 4s
40 + 20 = 4 × s
60 = 4 × s
s = 60
4
s = 15 cm