Question

If area of one black square is 4 sq.m., what will be the height of wall.
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Answer 1

Answer:

Perimeter of a closed figure is the distance covered in one round along the ... Perimeter of a square = 4 × length of its side ... If the cost of fencing per metre is Rs. 30, find the area of the square field.

Answer 2

Answer:

s^2=4

s=

$\sqrt{4}$

a=2m

so the height of the wall is 2m