Penjelasan dengan langkah-langkah:
L = ¹/4*phi*d²
= 1/4 * 22/7 * 21 * 21
= 346,5 cm²
Semoga Membantumu :)
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Penjelasan dengan langkah-langkah:
L = ¹/4*phi*d²
= 1/4 * 22/7 * 21 * 21
= 346,5 cm²
Semoga Membantumu :)