the perimeter of square is 28 cm find its diognal and area
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Answer:
area 49 hoga aur 7√2 diagonal hoga
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Answer:Perimeter of square = 4×side
28 = 4×side
side = 28/4 = 7
Area of square = side × side = 7×7 = 49
Area of square = 1/2×(diagonal)²
49 = 1/2×(diagonal)²
Diagonal ² = 49×2 = 98
Diagonal = ✓98 = 9.8cm
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