Question

volume of cone is 1212cm *3 and its height is 24cm.Find the surface area of cone. π= 22/7​

Answer 1

Answer:

formula : 1/3 πr3

so this can be done this way

v=1212

22/7 X 1/3 X r3 =1212

r3=1212 X 7 X 3/22

r3=1156.909091

r=10.48

so surface area=

πrl

l=(10.48 X 10.48)+(24 X 24)

=√109.8304 + √576

= 26.1883638

ar=22/7 X 10.48 X 26.1883638

=862.5698797 cm3

Step-by-step explanation:

r3= radius cube

cm3= centimeter cube