1.

In a triangle, two sides of 4 cm and 3 cm are at right angle. If the triangle is revolved along the 4 cm side, the curved surface area of the cone so formed will be

A. 62.8 cm2
B. 52.6 cm2
C. 64. 8 cm2
D. 67.6 cm2
E. 66.6 cm2
Answer» B. 52.6 cm2


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