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# addition and multiplication of fractions
# addition and multiplication of fractions
#unit of area
#unit of area
−solution: r=5cm, h=14cm, Л=<math>{\frac{22}{7}}</math><br>
+solution: r=5cm, h=14cm, Л=<math>{\frac{22}{7}}</math><br>Curved surface area of cylinder and area of one circle= CSA of cylinder+area of circle<br>
−Curved surface area of cylinder and area of one circle= CSA of cylinder+area of circle<br>
=<math>2Лrh+Лr^2</math><br>
=<math>2Лrh+Лr^2</math><br>
=<math>2X{\frac{22}{7}}X5X14+{\frac{22}{7}}X{5^2}</math><br>
=<math>2X{\frac{22}{7}}X5X14+{\frac{22}{7}}X{5^2}</math><br>