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PIMSO 2022 - Mathematics - Grade 9 / Secondary 3 - National Round Question 23

PIMSO Maths · PIMSO 2022 - Mathematics - Grade 9 / Secondary 3 - National Round

Question 23

GEOM is a square that encloses 2 circular arcs A and B such that A is centered at E and intersects G and O while B is centered at M and intersects G and O. Diagonal EM passes through the arcs at points C and D. Given that $CD=30-15\sqrt2$ units, what is the perimeter of the square?