
Nicholas W. answered 11/18/20
SUNY Fredonia Student Specializing in High/Middle School Math
Each block is 76cm x 76cm x 8cm
It has two faces that are (76cm x 76cm)
It had four faces that are (8cm x 76cm)
So 2(76cm x 76cm) = 11,552cm^2
and 4(76cm x 8cm) = 2,432cm^2
11,552cm^2 + 2.432cm^2 = 13984cm^2