The diagonal of a square is 7route2.find its area
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Hey friend, Here is your answer-
Diagonal = 7 root 2
Every angle of square is 90°
Let the length of side is x.
By using Pythagores theorem,
x^2 + x^2 = (7 root 2)^2
2x^2 = 98
x^2 = 49
x = root 7
x = 7
Therefore, the side of square is 7.
Area of square = side × side
= 7 × 7
= 49 cm^2
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