Round table tablecloth

Round table has area 50.24 dm2. Calculate the diameter of the circular tablecloth, if it is extend beyond the edge of the table by 30 cm.

Result

D =  139.98 cm

Solution:

D=2⋅ (5024/π+30)=139.98  cm D=2 \cdot \ (\sqrt{ 5024/\pi }+30) = 139.98 \ \text{ cm }

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