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Verified answer
Luas gabungan bangunBangun 1 = Persegi panjang
Bangun 2 = 1/2 lingkaran
Luas bangun 1 = P × L
Luas bangun 1 = 17 × 14
Luas bangun 1 = 238 cm²
Luas bangun 2 = 1/2 × π × r × r
Luas bangun 2 = 1/2 × 22/7 × 7 × 7
Luas bangun 2 = 77 cm²
Luas gabungan = 238 + 77 = 315 cm²
Jawaban ==> 315 cm²
Perlu diketahui bahwa =
=> Jari-jari (r) = diameter : 2
=> Luas 1/2 lingkaran = 1/2 × π × r × r