Question

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Answer 1

Step-by-step explanation:

perimeter =2(l+b)

area = l x b

sanya's paper's perimeter =2(10+8)=2 x18= 36

" " area. = 10 x 8 = 80

cm

manav's width = 2(11+ x)=44

= (11+x )=44/2

= x= 22-11

= x = 11cm

so width = 11

manav's area = 11 x 11 = 121cm^2

arushi lenght ,area given

let the length be= l

( l x8)= 80

l= 80/8

l= 10. so length = 10cm

arushi's perimeter

2(10+8)

= 2 x 18

=36cm

kabir length and width

area given and perimeter given

if perimeter taken then 2(l + w) = 40cm

= l+w = 40/2

= l+ w = 20

so addition of two sides = 20

if area taken = 100cm^2

then l x w = 100

so both of their multiplication is 100

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