Two cylinders $A$ and $B$ are formed by folding a rectangular sheet of dimensions $20 c m \times 10 c m$ along its length and also along with its breadth respectively. Then the volume of $A$ is twice. The curved surface area of $A$ is ________ curved surface area of $B$ .

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Solution

Finding the curved surface area of cylinder $A$ and $B$ :
Step1: For cylinder A
h= 10 cm
r = 10/π
Thus, CSA of cylinder A = 2πrh = 200
Step2: For cylinder B
h= 12 cm
r = 5/π
Thus, CSA of cylinder B = 2πrh = 200
Therefore the curved surface area of cylinder $A$ and $B$ is same

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Question 48

Two cylinders A and B are formed by folding a rectangular sheet of dimensions 20 cm×10 cm along its length and also along its breadth respectively. Curved surface area of A is ___ surface area of B.

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Two cylinders A andB are formed by folding a rectangular sheet of dimensions 20cm×10cm along its length and also along with its breadth respectively. Then the volume of A is twice. The curved surface area of Ais ________ curved surface area of B.

Finding the curved surface area of cylinder A and B:Step1: For cylinder Ah= 10 cmr = 10/πThus, CSA of cylinder A = 2πrh = 200 Step2: For cylinder Bh= 12 cmr = 5/πThus, CSA of cylinder B = 2πrh = 200Therefore the curved surface area of cylinder A and B is same

Two cylinders $A$ and $B$ are formed by folding a rectangular sheet of dimensions $20 c m \times 10 c m$ along its length and also along with its breadth respectively. Then the volume of $A$ is twice. The curved surface area of $A$ is ________ curved surface area of $B$ .

Finding the curved surface area of cylinder $A$ and $B$ :
Step1: For cylinder A
h= 10 cm
r = 10/π
Thus, CSA of cylinder A = 2πrh = 200
Step2: For cylinder B
h= 12 cm
r = 5/π
Thus, CSA of cylinder B = 2πrh = 200
Therefore the curved surface area of cylinder $A$ and $B$ is same