if a slant height of cone is 10 m has a curve surface area of 188.4 m2 then the radius of its base is ? options 4m, 4.5m, 5m, 6m plz help plzzz
Answers
Answered by
1
Answer:
6m
Step-by-step explanation:
CSA of cone = πrl
According to question,
πrl=188.4m^2
22/7×r×10=188.4 =5.999......
by nearest value answer is 6m
hence option D is correct
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