Length:10 in
Width: 5 1/2 in = 11/2 in
Height: 6 1/4 in = 25/4 in
S - Surface
S = 2 · 11/2 in · 25/4 in + 2 · 11/2 in · 10 in + 2 · 25/4 in · 10 in
S = 11 · 25/4 in² + 11 · 10 in² + 25 · 10/2 in²
S = 275/4 in² + 110 in² + 250/2 in²
S = 68.75 in² + 110 in² + 125 in²
S = 303.75 in²
