How do I do this maths question?

Hi,

Any help would be helpful. If you do find the answer, could you please leave working out as to how you solved the question. Thank you :)

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1 Answer

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    Lv 7
    1 month ago

    There are the equivalent of 7 squares in 1 octagon. Therefore, the area of 1 square is

                              175 cm²

                       A = ------------ = 25 cm²

                                 7

    and the side length of each square is √(25 cm²) = 5 cm ............ANS

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