Mathematics · Mensuration

Find the total length of a shape consisting of a straight segment AB of 50 mm, a straight segment BC of 40 mm (calculated from cos(60°) = 20/BC), and a semicircular arc CD of radius 14 mm. Take π = 22 7 .

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134 mm

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Find the total length of a shape consisting of a straight segment AB of 50 mm, a straight segment BC of 40 mm (calculated from cos(60&deg;) = 20/BC), and a semicircular arc CD of radius 14 mm. Take &pi; = 22 7 .