the perimeter of a rectangle is 40cm and it's breadth is 8cm, find it's length
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Answer:
given,
perimeter (p) = 40 cm
breadth(b)= 8cm
length (l) = ?
we know that ,
perimeter (p)= 2(L+b)
or, 40 =2(L +8)
or, 40 = 2L + 16
or, 40- 16 = 2L
or,24=2L
or, L=24÷2
L=12 cm
#the length is 12 cm
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