Jawaban:
terdiri dari 2 bagian:
½ tabung + balok tanpa tutup
Luas ½ tabung
= ½ × 2πr(r + t)
= ½ × 2 × 22/7 × 7 × (7 + 25)
= 704 cm²
Luas balok tanpa tutup
= 2(10×25 +14×10) + 14×25
= 1130 cm²
total luas
= 704 + 1130
= 1834 cm²
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Jawaban:
terdiri dari 2 bagian:
½ tabung + balok tanpa tutup
Luas ½ tabung
= ½ × 2πr(r + t)
= ½ × 2 × 22/7 × 7 × (7 + 25)
= 704 cm²
Luas balok tanpa tutup
= 2(10×25 +14×10) + 14×25
= 1130 cm²
total luas
= 704 + 1130
= 1834 cm²