Joke Collection Website - News headlines - As shown in the figure, during the New Year's Day, a propaganda banner was hung from point A to point E on the building of a shopping mall. Xiaoming's family lives upstairs from the shopping mall. sma

As shown in the figure, during the New Year's Day, a propaganda banner was hung from point A to point E on the building of a shopping mall. Xiaoming's family lives upstairs from the shopping mall. sma

As shown in the figure, during the New Year's Day, a propaganda banner was hung from point A to point E on the building of a shopping mall. Xiaoming's family lives upstairs from the shopping mall. small

if crossing point c is CD⊥AE, then ∠ACD=, ∠ DCE =

∵ CF = 12

∴ DE = 12

∴ CD = 12 < p.