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Q.

What will be the area of square plot of land whose each side measure 8 1 2 meters?


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a

73 1 4 m 2

b

74 1 4 m 2

c

72 1 4 m 2

d

75 1 4 m 2  

answer is C.

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Detailed Solution

Given side of plot =8 1 2 m .                              We know that, area of a square =sid e 2 .
Area of plot = side of plot × side of plot.
So, area of plot =8 1 2 ×8 1 2 . Simplifying,
 Area of plot = 16+1 2 × 16+1 2 . = 17 2 × 17 2 = 289 4 =72 1 4 Therefore, area of plot is 72 1 4 m 2 .
Hence, option (3) is correct.
 
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