The perimeter of a square cardboard is 1m find its area in cm2
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Answer:
Given:
The perimeter of a square card board is 1 m.
To find:
Area of square cardboard in cm².
Solution:
⌬ Let side of square cardboard be a.
We know that,
★ Perimeter of square = 4 × side
Therefore,
→ 4 × a = 1 m
→ 4 × a = 100 cm
→ a = 100/4 cm
→ a = 25 cm
Thus, Side of square cardboard is 25 cm.
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Now, Finding area of square cardboard,
We know that,
★ Area of square = side × side
→ Area = 25 × 25
→ Area = 625 cm²
Hence, Area of square cardboard is 625 cm².
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