Geometry problems

42. Buford is an apprentice painter. His boss, Mini Pearl, is ill. It is up to Buford to make an estimate on painting 149 rooms in a new motel with one coat of primer and one coat of finishing paint. The four walls and the ceiling of each room must be painted. Each room measures 1 1' X 15' X 9' high. a) Calculate the total area of all the surfaces to be painted with one coat. Ignore doors and windows. b) One gallon of primer covers 500 sq ft. How many gallons of base paint are required for the job? c) One gallon of finish paint covers 200 sq ft. How many gallons of finish paint will it take to complete the job? 43. Find, to the nearest hundredth, the amount of insulation needed to cover the sides of the 40 gallon hot water heater. The insulation only covers the sides of the hot water heater. Find the lateral area (SIDE ONLY). 60 in44. The Loveland town council wants to build a bandstand. Architects were asked to submit plans. In the plan shown, the floor has the shape of a regular octagon. a) What is the area of the floor of the 14.20 1 bandstand in this plan? 50 20 It b) What would the dimensions be of a square bandstand with the same area as the octagon above? c) Which one has the largest perimeter? 45. Find the area of the shaded regions. O 44"39. Solve for the indicated variable. =x-8=19 b) 4x-9-2r+5 c) 3(2x-7)= 45 -5=34 e) 5-x=68+5 () 17=-(2x+7) 40. The Great American Pyramid in Memphis, Tennessee, is a regular pyramid with a square base. Each side of the base is about 544 feet long. The slant height is about 420 feet. Find the area of the outside walls of this structure. Find the floor area. 41. Find the amount of glass needed to build the greenhouse. The entire greenhouse is covered in glass. Ignore the framing