Jawaban:
luas daerah = 4.536 cm²
keliling bangun = 432 cm
Penjelasan dengan langkah-langkah:
diketahui: diameter/sisi = 42 cm
ditanya: luas?
keliling?
dijawab: luas = L □ + L 2 ○
= p×l + 2×pi×r²
= 42×42 + 2×22/7×21×21
= 1.764 + 2.772
= 4.536 cm²
keliling = k □ + k 2 ○
= 4×S + 2×pi×d
= 4×42 + 2×22/7×42
= 168 + 264
= 432 cm
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Jawaban:
luas daerah = 4.536 cm²
keliling bangun = 432 cm
Penjelasan dengan langkah-langkah:
diketahui: diameter/sisi = 42 cm
ditanya: luas?
keliling?
dijawab: luas = L □ + L 2 ○
= p×l + 2×pi×r²
= 42×42 + 2×22/7×21×21
= 1.764 + 2.772
= 4.536 cm²
keliling = k □ + k 2 ○
= 4×S + 2×pi×d
= 4×42 + 2×22/7×42
= 168 + 264
= 432 cm
Semoga membantu
Jadikan jawaban tercerdas :)