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Luas Bangun = Luas Bangun A ( Persegi Panjang ) + Luas Bangun B ( Setengah Lingkaran )
Luas Bangun A = P × L
= 40 × 35 Cm
= 1400 Cm²
Luas Bangun B =
=
=
=
=
= 481,25 Cm²
Luas Bangun = 1400 + 481,25 Cm
= 1881,25 Cm