The volume of a cone is 210 m3 If the height is 12.5 m,
what is its surface area?
Answers
Answered by
0
Answer:
Step-by-step explanation:
volume = (1/3) *π*r2*h
=> 210 = 1/3* 3.14*r^2*12.5
=>210*3*7/12.5*22 = r^2
=> r^2 = 2505.68m
Surface area = π*r2 + π*r*sq root (r2 + h2)
=>3.14*2505.68 + 3.14 sq root (2505.68 + 156.25)
=> 7,867.8 + 3.14*51.59
=>7,867.8 +161.9926
=> 8,029.7926 m^2
Plz mark me as brainlest
Hope I solves your problem
Similar questions