Question
A rectangular frame of size 120 cm (length) x 140 cm
(breadth) is to be surrounded by stickers of 2 cm x 2 cm size. How many stickers would be required for such decoration?Solution
Perimeter of the frame = 2(120 + 140) cm = 2 × 260 = 520cm ∴ No. of stickers = 520/2 + 4 (4 extra stickers would be required for four corners) ∴ 260 + 4 = 264
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