Question
A hollow cylindrical pipe is made of iron. The difference between the outer and inner curved surface area is 176 cm². The height of the pipe is 28 cm, and the sum of the inner and outer radius is 30
A hollow cylindrical pipe is made of iron. The difference between the outer and inner curved surface area is 176 cm². The height of the pipe is 28 cm, and the sum of the inner and outer radius is 30
cm. Find the total surface area of the hollow cylindrical pipe.
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