1) 16x16= 256ft
16x3x4= 192ft
add them together
256+192= 448ft2 (2 is the little number at the top next to the unit)
2) 3.14x7(2)= 153.86ft2
and i’m not sure on the other part SORRY
I’m not sure what you want to find but if it’s for the answer for a in it’s exact form your answer will be 163/35 Hope this helps!
¿Es esta una opción múltiple o es una pregunta explicativa? Lo siento estoy confundido.