Can someone help ASAP? Thank you! It will be explained in the picture

surface area = 6a^2 (for square)

= 6 x (2/3)^2

= 6 x 4/9

= 2.66sq.ft.

hope this helps and please mark me brainliest PLEASE

  21.3

step-by-step explanation:

multiplying the given equation by c/sin(25°), we get

  c = 9/sin(25°) ≈ 21.2958 ≈ 21.3

we assume "c" is the length of ab, the side opposite angle c in triangle abc.