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Verified answer
L = 3/4 × phi × r^2= 3/4 × 22/7 × 10,5^2
= 3/4 × 22/7 × 110,25
= 3/4 × 346,5
= 259,875 cm^2
Jawab = B
= 3/4 × 22/7 × 10,5 × 10,5
= 259,875 cm2