If one side of a square is 10.5 cm, find its perimeter and area.
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Answer:
perimeter of square = 4×s. =4s
therefore 4× 10.5
= 42 sq.cm
area of square = s × s. = s2
therefore 10.5 × 10.5
= 110.25 cm
therefore perimeter of square = 42 sq.cm
area of square = 110.25 sq.cm
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