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Answered by
3
Answer:
Perimeter = 2(5x+4+x+4)
= 2(6x)
72 = 2(6x)
72/2. = 6x
x. = 36/6
= 6
length= 5x+4
=5×6+4
= 34cm
breadth= x-4
= 6-4
=2 cm
Step-by-step explanation:
please mark it as a brainliest answer
Answered by
1
Answer:
p=72m
L=5x+4
B=x-4
perimeter of a rectangle=2 (l+b)
72= 2 (5x+4 + x-4)
72= 2 (6x-0)
72= 2 × 6x
72= 12x
72/12= x
6 = x
5x+4 = (5×6)+4
= 34 m
x-4 = 6-4
=2 m
Step-by-step explanation:
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