The length of a rectangle is twice its breadth. If perimeter is 120 cm. Find length and breadth of
rectangle.
Answers
Answered by
5
Step-by-step explanation:
l = 2*b
2*(l+b) = 120
l+b =60
2b+b = 60
b= 20 cm
l= 2*b = 40 cm
Answered by
4
Answer:
length=40,breadth=20
- From question:
- length(l)=2×breadth(b)
- perimeter=120
- 2(l+b)=120
- 2(2b+b)=120
- 2×3b=120
- 6b=120
- b=120/6
- b=20..
- and l=2b
- l=2×20
- l=40
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