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Question #b6c51

1 Answer

Nov 5, 2016

pink area $=44.54$

Explanation:

enter image source here

Let $A,B,C,D$ be the areas of the respective shape, as shown in the diagram.

pink area $= A+B+C-D$
$A=1/2*5*4.6=11.5$
$B=pi*2.5^2 =19.63$
$C=5*5=25$
$D=pi*4^2*83^@/360^@=11.59$

Hence, pink area $= 11.5+19.63+25-11.59 = 44.54$

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