Question

a room is 18 feet long,15 feet wide and has an 8 foot ceiling.a cord is stretched from the floor at the southwest corner to the ceiling at the northeast corner.What angle does the cord make with the floor?
Damon
it goes up 8 feet while going horizontal distance sqrt(18^2+225) = 23.4 ft

tan theta = 8/23.4
theta = 18.9 deg