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A square field has its area equal to 289 sq.cm find its side and perimeter is?

A58

B68

C50

D48

Answer:

B. 68

Read Explanation:

Area of Square field =289cm2= 289cm^2

Perimeter of Square field = 4a

Area=a2Area = a^2

=>a^2=289

=>a^2=17\times{17}

=>a=17cm

Perimeter of square field =4×17=4\times{17}

=68cm=68cm


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