Math, asked by pritisinha7924, 4 months ago

length =2b
perimeter = 840cm
area=?
please helf

Answers

Answered by tejaswimehta05

1

Answer:

Length = 2b

Breadth =b

Perimeter = 840

hence

2 (l+b) =840

l+b = 420

3b = 420

b = 140

Hence

Length = 280cm

Breadth=140cm

Hence Area =

L×B

= 280×140

=39200 cm^2

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