Question 878703
a cylindrical fence post has diameter 6 in and length 8 ft. The fence post is placed 2ft into the ground. Determine the exposed area of the post to be painted. Express your answer to the nearest tenth of a square foot.
***
6 inches=(1/2) ft
Area of end of post=&#960;d^2/4=&#960;(1/2)^2/4=(&#960;/4)/4=&#960;/16
surface area of post above ground=6*circumference=6&#960;(1/2)=3&#960;
exposed area of the post to be painted=&#960;/16+3&#960;=9.6 sq ft