Question

Three vertices of a rectangle ABCD are A (3,1) B(-3,1) and C(-3,3) Plot these points on a graph paper and find the coordinate of the 4th vertex D. Find the area of a rectangle ABCD?​

Answer 1

From the graph,

The coordinates of point D are (3,3).

Area of rectangle ABCD=l×b=AB×BC

On further calculation we get

Area of rectangle ABCD=6×2

Area of rectangle ABCD=12 sq. units

Answer 2

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