Jawab:
Penjelasan dengan langkah-langkah:
4. Keliling lingkaran=πd
=22/7*21
=22*3=66
Luas lingkaran=πr²
=3.14*10.5*10.5
=346.185
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Jawab:
Penjelasan dengan langkah-langkah:
4. Keliling lingkaran=πd
=22/7*21
=22*3=66
Luas lingkaran=πr²
=3.14*10.5*10.5
=346.185