jawaban no7.B no 8.B
nomer 7
π×r kuadrat
3/4 × 22/7 × 28 × 28
= 3×22×7×4
=66×7=462×4=1848cm
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jawaban no7.B no 8.B
nomer 7
π×r kuadrat
3/4 × 22/7 × 28 × 28
= 3×22×7×4
=66×7=462×4=1848cm