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TIMO 2017 Grade 6 Heat Set 5 Question 16

TIMO · TIMO 2017 Grade 6 Heat Set 5

Question 16

The perimeter of the shaded region in the attached figure is formed by arcs of 3 semi-
circles, the diameters of those semi-circles are 13m, 50m and 63m. Given that the 3
centers of the circles lie on the dotted line in the figure, find the perimeter of the shaded
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region in meter. (Take π= ).
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Question illustration