Question

Find the side and perimeter of the square whose area is:289m square​

Answer 1

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Answer:

$side {}^{2} = 289cm {}^{2} \\ side = \sqrt{289} cm {}^{2} \\ side = 17 \\ \\ perimeter = 4 \times side \\ = 4 \times 17 \\ = 68cm$

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Answer 2

Step-by-step explanation:

Let the side be a m .

So Area = a²

or, a² = 289

or, a = 17

again , perimeter = 4a

= 4 × 17 = 68 m

Required side is 17 m and perimeter is 68 m