the length of a alluminium strip is 40 cm. if the lenghth in cm are measured in natural numbers,write the measurement of all possible rectangular frames which can be madeout of it?

Dear Student,

Please find below the solution to the asked query:

Given : The length of a aluminium strip is 40 cm .

Let ,  The length of rectangular frames which made out of aluminium strip = l 

And

Breadth =  b 

So,

2 ( l  + b ) =  40

l  + b  =  20

So,

The measurement of all possible rectangular frames which can be made out of aluminium strip  ( In cm ) :

( 1 , 19 ) , ( 2 , 18 ) , ( 3 , 17 ) , ( 4 , 16 ) , ( 5 , 15 ) , ( 6 , 14 ) , ( 7 , 13 ) , ( 8 , 12 ) , ( 9 , 11 )                                ( Ans )


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