mohon dibantuuu

<p>Gunakan <i>Aturan Sinus </i>:</p><p>a/Sin A = b/Sin B</p><p>(4√2)/Sin 45° = CA/Sin 30°</p><p>(4√2)/(½√2) = CA/½</p><p>4/½ = CA/½</p><p>4 × ½ = ½ × CA</p><p>2 = ½ × CA</p><p>CA = 2 × 2 = 4 cm. (<i>c.</i>)</p><p>&nbsp;</p><p>CA = AC = 4 cm. (<i>c.</i>)</p><p>&nbsp;</p><p>Semoga membantu.</p>