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?

1 answer

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