please help asap! my geometry homework doesnt make sense

Answer:
50.4 in^2
66.4 in^2
Step-by-step explanation:
(L)= 6.3in
Area of base= (4)^2 =16 in^2
perimeter= 4×4 =16 in
L.A=1/2 ×p ×l
= 1/2×16×6.3=50.4 in^2
S.A=Base area + L.A
= 16+50.4=66.4 in^2
hope it helps...
have a great day!!