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The Class X students of a secondary sch...

The Class X students of a secondary school in Krishinagar have been alloted a rectangular plot of land for their gardening activity . Sapling of Gul mohar is planted on the boundary at a disatnce of 1m from each other . There is a triangular grassy lawn in the plot as shown in the figure . The students are to sow seeds of flowering plants on the remaining area of the plot .

(i) Taking A as origin , find the coordinates of the vertices of the triangle .
(ii) What will be the coordinates of the vertices of `Delta PQR` if C is the origin
Also calculate the areas of the triangles i these cases . What do you observe ?

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