fire grates come in sizes that are the arc length of the front edge

a manufacturer provides these dimensions for a '16 inch' grate

assume that the centre of the arc is at the back edge of the grate

calculate the length of the front arc in mm

convert to inches using 25.4 mm = 1 inch

is the arc length close to 16" ?

the dimensions for other grate sizes are:

12" = 280mm, 220mm, 170mm

14" = 330mm, 240mm, 210mm

what are the arc lengths of these grates?

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