Question

what is the length of a shadow of a building having 10 metre right if the angle of elevation of sun45​

Answer 1

Answer:

1 m

Step-by-step explanation:

tan Ф  =  opp / adj

tan 45° = 10 /length of shadow

 1  =  10  /length of shadow

∴  length of shadow  = 10  x 1

                                  = 1 m