9 cm
Penjelasan dengan langkah-langkah:
Diagonal sisi = √(r² + r²)
9√2 = √(r² + r²)
(9√2)² = 2r²
2r² = 162
r² = 162/2
r² = 81
r = √81
r = 9 cm
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9 cm
Penjelasan dengan langkah-langkah:
Diagonal sisi = √(r² + r²)
9√2 = √(r² + r²)
(9√2)² = 2r²
2r² = 162
r² = 162/2
r² = 81
r = √81
r = 9 cm