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Luas Bangun Yang Diarsir = Luas Seluruh Bangun - ( 2 × 1/4 Lingkaran )
= ( Luas I + Luas II ) - ( 2 × × × r² )
= ( ( S × S ) + ( S × S ) ) - ( 2 × × × 14²)
= ( ( 28 × 28 ) + ( 14 × 14 ) ) - (2 × × × 196 )
= ( 784 + 196 ) - ( 2 × × 616 )
= 980 - ( 2 × 154 )
= 980 - 308
= 592Cm²
592 cm2
maaf klo salah