Jawaban:
980 cm²
Penjelasan:
Luas persegi panjang
p × l
= 24 × 28
= 672 cm²
Luas setengah lingkaran
½ × π × r²
= ½ × 22/7 × (½ × d)²
= ½ × 22/7 × (½ × 28)²
= ½ × 22/7 × 14²
= ½ × 22/7 × 196
= 4.312/14
= 308 cm²
Luas keseluruhan = 672 + 308 = 980 cm²
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Verified answer
Jawaban:
980 cm²
Penjelasan:
Luas persegi panjang
p × l
= 24 × 28
= 672 cm²
Luas setengah lingkaran
½ × π × r²
= ½ × 22/7 × (½ × d)²
= ½ × 22/7 × (½ × 28)²
= ½ × 22/7 × 14²
= ½ × 22/7 × 196
= 4.312/14
= 308 cm²
Luas keseluruhan = 672 + 308 = 980 cm²