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a 28.5
b 18.2
c 17.1
d 34.2

Well it is really easy to answer this question. Firstly we can calculate the complete circles area which comes out to be pi*r^2 so it becomes 16 pi.

And now we can calculate the complete triangles area which comes out to be 1/2 * base * height so 1/2 * 8 * 4 = 16 cm^2.

Now we can subtract both of them and get our final shaded areas region. So 16 pi or 50.24 minus 16 = 34.2

they can both be solutions depends on the equation

step-by-step explanation:

what is the equation? ?

y/x of point b= y/x of point a

step-by-step explanation:

(i got the same question, this was the correct answer.)