From each corner of a square of side 20 cm a smaller square of side 2 cm is cut. find the area of the remaining portion.
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Answer:
384cm^2
Step-by-step explanation:
area of big square = s×s = 20 × 20 = 400 cm^2
area of small square = s×s = 4×4 = 16 cm^2
area of square = 400-16 = 384
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