A rectangle $$\(A B C D\)$$ is to be drawn on a centimetre grid such that $$\(A\)$$ has coordinates $$\((-4,-2)\)$$ $$\(B\)$$ has coordinates $$\((1,10)\)$$ $$\(C\)$$ has coordinates $$\((19, a)\)$$ $$\(D\)$$ has coordinates $$\((b, c)\)$$ (a) Work out the value of $$\(a\)$$, the value of $$\(b\)$$ and the value of $$\(c\)$$. $$\(a=\)$$ $$\(b=\)$$ $$\(c=\)$$ (4) (b) Calculate the perimeter, in centimetres, of rectangle $$\(A B C D\)$$. $$\(\mathrm{cm}\)$$ (3)

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