A solid cylindrical block of radius 12 cm and height 18 cm is mounted with a conical block of radius 12 cm and height 5 sm. The total lateral surface of the solid thus formed is :

A solid cylindrical block of radius 12 cm and height 18 cm is mount

1.	A solid cylindrical block of radius 12 cm and height 18 cm is mounted with a conical block of radius 12 cm and height 5 sm. The total lateral surface of the solid thus formed is :
A.	1057 5/7 cm²
B.	1157 5/7 cm²
C.	1257 5/7 cm²
D.	1357 5/7 cm²
Answer» E.

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A solid cylindrical block of radius 12 cm and height 18 cm is mounted with a conical block of radius 12 cm and height 5 sm. The total lateral surface of the solid thus formed is :

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