Calculate 28011

The volume of the cone is 9.42 cm3, and its base diameter is 3 cm.
Calculate
1 / height of the cone
2 / side cones
3 / cone surface

Correct answer:

h =  3.998 cm
s =  4.2701 cm
S =  27.191 cm2

Step-by-step explanation:

V=9.42 cm3 D=3 cm  r=D/2=3/2=23=1.5 cm  S1=π r2=π 232=3.1416 1.527.0686 cm2  V=31S1 h  h=3 V/S1=3 9.42/7.0686=3.998 cm
S2=π r s=π 23 s=3.1416 1.5 4.270120.1224 cm2  S=S1+S2=7.0686+20.1224=27.191 cm2



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