Matematika

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Tolong di jawab banggggggggggggggggg
Tolong di jawab banggggggggggggggggg

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  • 8. keliling lingkaran
    94.2=2x3.14xrxr
    =6.28xrxr
    r =94.2:6.28
    r=15
    Luas lingkaran
    3.14x15x15
    706.5 cm

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