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= luas persegi panjang - luas lingkaran
= ( p x l) - ( π . r²)
= (25 x 14) - (22/7 . 7²)
= 350 - 154
= 196 cm²
pilihan D
= 25 × 14
= 350 cm²
= π × r²
=
× 7²
= 22 × 7
= 154 cm²
L = -
L = 350 - 154
L = 196 cm² (D)