Work out the area of this circle.
2 answers:
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45 handshakes would take place! i've attached how i figured this out (pardon the scribbles)
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Start by subtracting 3 from both sides to get .
Now multiply both sides by the reciprocal of 3/2, which is 2/3.
On the left, we have x, and on the right, -3(2/3) is -2.
So we have x = -2.