Which of the following cities hosted the important 20th Dialogue event in December 2024?
The volume of a right circular cone is 1078 cm³. Find the total surface area of the cone if its height is 21 cm. (Use π = \( \frac{22}{7} \))
154 cm²
154\(\sqrt{10}\) cm²
154(1 + \(\sqrt{10}\)) cm²
22(7 + \(\sqrt{10}\)) cm²