Answer:
88.6
Step-by-step explanation:
A=4(pi)r^2/3
D=9.2 : r=4.6
A=4(3.14)(4.6^2)/3=88.5898667
sin23= x/12
sin23(12)=x
0.391(12)=x
x=4.7 or 5
. Use the value 3.14 for 
, and round your answer to the nearest tenth. (Do not round any intermediate computations.)
