Given a cuboid of length L, breadth B and Height H, the task is to find percentage increase in the total surface area of the cuboid if length, breadth and height are increased by fixed percentages.
Examples:
Input : L = 20, B = 30, H = 50, l = 10 %, b = 12 %, h = 15 % Output : 26.97 % Input : L = 40, B = 60, H = 15, l = 5 %, b = 7 %, h = 12 % Output : 14.88 %
Code : Python code to find the increase in the total surface area of the cuboid.
# Function to return the percentage increase # in the total surface area of the cuboid # Total surface area of a cuboid = 2(L * B) + (L * H) + (B * H) def increaseIntsa(L, B, H, l, b, h):
oldsurfacearea = 2 * ((L * B) + (L * H) + (B * H))
newsurfacearea = 2 * ((L + (L * l * 0.01 )) * (B + (B * b * 0.01 )) + (L + (L * l * 0.01 )) * (H + (H * h * 0.01 )) +
(B + (B * b * 0.01 )) * (H + (H * h * 0.01 )))
increase = (newsurfacearea  oldsurfacearea)
increasepercent = (increase / oldsurfacearea) * 100
return (increasepercent)
# Cuboid dimnesions L = 20
B = 30
H = 50
# percentage increase l = 10
b = 12
h = 15
print (increaseIntsa(L, B, H, l, b, h), "%" )

Output :
26.974193548387092 %
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