Write down the co-ordinates of the points $A$ to $J$ marked in the following diagram:

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Solution

We know, a point is denoted by ( $x$ -coordinate, $y$ -coordinate).
So, the points are:
$A = (2, 1); B = (- 2, 2); C = (- 3, 3);$ $D = (- 3, - 3); E = (3, 0);$
$F = (0, 3); G = (- 2, 0); H = (0, - 1); I = (3, - 2); J = (2, - 3)$ .

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In the following diagram, write down :

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(i) Write down the co-ordinates of A".

(ii) Write down a single transformation that maps A onto A".

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(ii) Write down a single transformation that maps A onto A".

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