Question

8. What would be the cost of building a
fence around a square plot with area
equal to 441 m², if the price per meter
of building the fence is 42 ?​

Answer 1

Answer:

side of square plot=x(let)

area=441m2

x2=441m2

x=√441 m

x=21m

perimeter of fence=4×side of square plot

=4*21

=84m

cost per meter=42rupees

cost for 84m=84×42 rupees

=3528 rupees

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Answer 2

Step-by-step explanation:

area of square = 441 m^2

area of square = side x side

441. = s^2

s = √441

s = 21m

perimeter of square = 4 x side

= 4×21

= 84 m^2

cost of building fence = 84 × 42

=Rs 3528