document.write( "Question 1113414: question was not answer The parking lot at the local ice cream store has 5 cylindrical posts in front of the store. These posts need to be painted bright yellow. The diameter of each post is 2 feet and each post is 4 feet high. Approximately how many square feet must be painted? You do not paint the bottom of the post. \n" ); document.write( "
Algebra.Com's Answer #728437 by amalm06(224)![]() ![]() You can put this solution on YOUR website! Consider the total surface of one cylindrical post. It is equal to the area of the top plus the lateral surface area. We neglect the area of the bottom. \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Total Surface Area = pi(r^2)+2*pi*r*h =(3.14)(1)+(2)(3.14)(1)(4) = 28.27 ft^2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "For 5 posts, the total surface area is 28.27*5=141.35 ft^2 (Answer) \n" ); document.write( " |