Penjelasan dengan langkah-langkah:
L = πr²
L = 22/7 × 91 × 91
L = 22 × 13 × 91
L = 286 × 91
L = 26.026
L = π × r × r
L = 26.026 cm²
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Penjelasan dengan langkah-langkah:
L = πr²
L = 22/7 × 91 × 91
L = 22 × 13 × 91
L = 286 × 91
L = 26.026
L = π × r × r
L = 22/7 × 91 × 91
L = 22 × 13 × 91
L = 286 × 91
L = 26.026 cm²