Math, asked by vijendrasingh54, 9 months ago

Find the base radius of a right circular cylinder whose whole surface is 231 cm
and the curved surface is 2 /3
of the whole surface.

Answers

Answered by pradeepkuttan1969

1

Answer:

radius =8.57

Step-by-step explanation:

Area of cross section= 22/7 ×r^2=231
r^2=231×7/22=8.57

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