Length of tape required to cover the edges of a semicircular disc of diameter 14 cm is _________
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Length of tape required to cover the edges of a semicircular disc of diameter 14 cm is = 51.4cm
Perimeter of the semi-circle = circumference of semi-circle +diameter
∵ circumference of semi − circle = 2πr/2
⇒ 22/7×10=31.4cm
Therefore, total tape required
=31.4+2×10=51.4cm
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