English, asked by shreyachouhan401, 5 months ago

9. Find the length of the rectangular field
whose perimeter is 90 metres and breadth
is 20 metres.​

Answers

Answered by anjalithakur3009
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 judith28ab
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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