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» Jawaban
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Luas Bangunan 1 [ ½ Lingkaran ]
= ½ πr²
= ½ (3,14 × (16 × 16)
= ½ (3,14 × 256)
= ½ × 803,84
= 401,92 Cm²
−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−
Luas Bangunan 2 [ Persegi Panjang ]
= p.l
= (32 + 16) (16 + 16)
= 48 × 32
= 1.536 Cm²
−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−
Luas Bangunan Arsir
= 1.536 – 401,92
= 1.134,08 Cm²
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