the perimeter of is a rectangle is180cm and it's breadth is 40cm .find its length ?
Answers
Answered by
3
Answer:
The solution of this answer will be:
as we know that
Perimeter of rectangle =2(l+b)
180=2(l+40)
180=2l+80
180-80=2l
2l=100
l=100/2
l=50cm. The length of the rectangle will be 50cm.
Answered by
0
Answer:
l=50
Step-by-step explanation:
perimeter=2(l+b)
180=2(l+40)
180/2=l +40
90=l+40
90-40=l
l=50
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