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Bab Bangun RuangMatematika SD Kelas V
Tabung Tanpa Tutup
Luas permukaan = π x r x (r + 2t)
= (22/7) x 8 x (8 + 2 x 10)
= (176/7) x (8 + 20)
= (176/7) x 28
= 704 cm²
Jawabannya D
= Luas lingkaran + (keliling lingkaran x tinggi)
jika phi = 314/100
= 314/100 x 8x8 + (2 x314/100x8 x 10)
= 200,96 + 502,4
= 703,36
jika phi = 22/7
=22/7 x 8 x 8 +(2 x 22/7 x 8 x10)
=201,14... + 502.85..
=704,....
jawaban yang paling mendekati antara
704 atau 704,32