Question

find the curved surface area , the total Surface area of right circular cylinder whose hight is 15cm and radius of base is 10.5cm​

Answer 1

Total surface area =2×22/7×10.5(10.5+15)cm²=66×25.5 cm²=1683 cm²

s

curved surface area=2×22/7×10.5×15 cm²=990 cm²