SOLVED: 46. A ladder 9 meters in length is leaning against a vertical wall on level ground. As the bottom end of the ladder is from the wall at a constant rate
Aluminium ladder 2x18 / werkhoogte 9 meter - De Ladder- en Steigerkoning
MetalTech 5-in-1 17-ft. Aluminum Telescoping Multi-Position Step Ladder, 300 lbs. Load Capacity, 18 ft. Reach, Type IA Duty Rating E-MTL7100AL - The Home Depot
Quiet Glide 8 ft. Red Oak Library Ladder (9 ft. Reach) Bronze Rolling Hook Ladder Kit with 12 ft. Rail and Horizontal Brackets QG.510-8RO-12-H.07 - The Home Depot
Folding 16.5FT Multi Purpose Telescopic Extension Ladder Heavy Duty 12.5FT 3.8M | eBay
Driedelige schuifadder TopSafe 3x14 | 9,9 meter - LadderHulp.nl