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0 votes
1.2k views
in Mathematics by (460 points)

Pls provide the reason also

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1 Answer

+2 votes
by (5.0k points)

The correct option is a (57)

For Ist circle problem,

 = 3+3+4+5 

= 15 x 2 (we multiple it by 2)

= 30 

Now we multiple by (2) x 2 and subtract by -5 we get

= 30 - (2)2 - 5

= 30 - 9

 = 21

Now we multiply by 3 we get

= 21 x 3 

= 63  (given) 

For 2nd circle problem,

= 8 + 4 +4 +3 

= 19 x 2 (we multiple it by 2)

= 38 

Now we multiple by (4) x 4 and subtract by -5 we get

= 38 - (4)4 - 5

= 38 - 21 

= 17

Now we multiply by 3 we get

= 17 x 3

= 51  ( given)

For 3rd circle problem ,

= 9 + 7 + 5 +9

= 30 x 2 (we multiple it by 2)

= 60

Now we multiple by (6) x 6 and subtract by -5 we get

= 60 - (6)6 -5 

= 60 -41

 = 19

Now we multiply by 3 we get

= 19 x 3

= 57

by (35 points)
Nice answer
by (460 points)
Thanks

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