back and Keith are remodeling an old mansion surrounded by a tall Stonewall I need to purchase a ladder that carries top of the wall but I'm sure the wood length is required Mac knows I had a wallet 15ft keep estimate the angle of inclination between the lateral Grandma Teta what's between 30 and 36° the situation shown in the image below. Use the number line below to plot the range of possible values for the length of the ladder that meets the top of the wall. Rou d each length to the nearest integer