Yosemite falls in california comprise of 3 sections. Upper yosemite fall, middle cascade, and lower yosemite fall. From the footbridge across creek 2500 ft from falls, angles of elevation to top and bottom of upper yosemite fall are 45.74 degrees and 24.42 degrees, respectively. How high is total series of 3 falls? Find how high is upper yosemite fall?