A square is cut out from the given cardboard sheet as shown. What is the new perimeter(in cm) of the sheet?
A
36 cm
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B
38 cm
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C
46 cm
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D
44 cm
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Solution
The correct option is D 44 cm Peimeter of sheet is equal to the sum of boundries.
Sum of boundaries = AB + BC + CD + DE + EF + FG + GH + HA
New perimeter of sheet = 10 cm + 10 cm + 10 cm + 4 cm+ 2 cm + 2 cm + 2 cm + 4 cm
= 44 cm