Answer: 37.9 inch the length of lead stripping .
Step-by-step explanation:
Given ,
Sides of windows are [tex]6\frac{4}{5}[/tex] and [tex]15\frac{14}{25}[/tex]
[tex]= (6\frac{4}{5} + 15 \frac{14}{25} ) * 2\\ \\=\frac{34}{5} + \frac{389}{25} * 2\\\\ \frac{170}{25} + \frac{389}{25}* 2 \\\\= \frac{559}{25} * 2\\\\= \frac{948}{25} \\\\= 37.9 inch[/tex]
So , the answer is 37.9 inch
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