Answer:
length=30.4inch and width=7.6inch
Explanation:
L=4b and perimeter=76inch
we have,
p=76
or,2(l+b)=76
or,2(4b+b)=76
or,5b=76/2
or,b=38/5
so,b=7.6inches
then,
L=4b
=4*7.6
=30.4inces,,
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