Bantu jawab

<p>Maka luas sisinya adalah <strong>1.760 cm²</strong></p><p>&nbsp;</p><p><strong>Diketahui :</strong></p><p>Diameter = d = 14 cm</p><p>Tinggi kerucut = Tinggi tabung = t = 24 cm</p><p>π = 22/7</p><p><strong>Ditanya : </strong>Luas sisinya ?</p><p><strong>Jawab :</strong></p><p>Mencari jari-jari (r) :</p><p>r = d ÷ 2 = 14 cm ÷ 2 = 7 cm</p><p>&nbsp;</p><p>Mencari panjang selimut kerucut (s) menggunakan teorema phytagoras :</p><p>a² + b² = c²</p><p>c = √(a² + b²)</p><p>s = √(r² + t²)</p><p>s = √(7² + 24²)</p><p>s = √(49 + 576)</p><p>s = √625</p><p>s = 25 cm</p><p>&nbsp;</p><p>Mencari luas sisinya :</p><p>L_p = L_{selimut kerucut}+ L_{selimut tabung}+ L_Alas</p><p>L_p = (π × r × s) + (2 × π × r × t) + (π × r × r)</p><p>L_p = (22/7 × 7cm × 25cm) + (2× 22/7 × 7 × 24cm) + (22/7 × 7cm × 7cm)</p><p>L_p = 550 cm² + 1.056 cm² + 154 cm²</p><p>L_p = 1.760 cm²</p><p>&nbsp;</p><p>Selesai :D 🙏</p>