The area of metal required is 62.8 square inches.
What is the area of circle?
The area of a circle is the area covered by the circle in a two dimensional plane .
Area of the outer circle is,
=[tex]\pi[/tex]r²=[tex]\pi[/tex](6²)=113.04 square inches
The area of the inner semicircles is,
=[tex]\pi[/tex](4)²=50.24 square inches
The total area of the sign is,
=113.04−50.24=62.8 square inches
Hence, the area of metal required is 62.8 square inches.
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