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LINGKARAN - Raphael

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Contoh 3<br />

Pada lingkaran dengan pusat O diketahui<br />

sudut keliling ACB ukurannya 35 o .<br />

Tentukan ukuran sudut pusat yang<br />

menghadap busur AOB.<br />

Penyelesaian:<br />

Ukuran sudut AOB = 2 x ukuran sudut<br />

keliling ACB<br />

= 2 x 35 o = 70 o .

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