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Verified answer
Kelas 5 MatematikaBab Bangun Datar
a] Perbandingan luas 1 : perbandingan luas 2 = 36 : 64
r² : R² = 36 : 64
r : R = 6 : 8
Perbandingan keliling 1 : perbandingan keliling 2
= (2 x π x r) : (2 x π x R)
= r : R
= 6 : 8
= 3 : 4
b] Selisih keliling 2 dan keliling 2
= (2 x π x R) - (2 x π x r)
= 2 x 3,14 x (8 - 6)
= 6,28 x 2
= 12,56 cm
c] Perbandingan jari-jari lingkaran 1 dan lingkaran 2
= r : R
= 6 : 8
= 3 : 4
d] Selisih jari-jari lingkaran 1 dan lingkaran 2
= 8 - 6
= 2 cm
Verified answer
◾ Materi : Bangun Datar◾ Sub materi : Lingkaran
◾ Mapel : Matematika
Jawab :
LA : LB = 36 : 64
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