9. Find the length of the rectangular field
whose perimeter is 90 metres and breadth
is 20 metres.
Answers
Answered by
2
Answer:
25 metres
Explanation:
Perimeter=2(l+b)
90=2(l+20)
90/2=l+20
45=l+20
45-20=l
l=25 metres
Answered by
0
Answer:
Perimeter- 90m
Breadth- 20
Length- ?
p= 2x[l+b]
= 2x[l+20]=90
= [l+20]= 90÷2 =45
l= 45-20= 25
∴ length= 25 m
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