find the length of the rectangle whose perimeter is 8 cm and breadth is 4 cm
GK17:
p=2(l+b) 8=2(l+4) 4-4=l l=0 ans
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perimeter=2*(l+b)
8 cm. =2*(l+4)
8 cm./2 =l+4
4 cm.-4 =l
0. =l
8 cm. =2*(l+4)
8 cm./2 =l+4
4 cm.-4 =l
0. =l
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