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1.3 Coordinate Geometry in the x-y Plane

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Question 70

Points $A (- 1, 5)$ , $B (1, 1)$ , $C (5, 8)$ and $D (7, 4)$ are the vertices of a quadrilateral $A B C D$ .

a.

Prove that $ABCD\,$ is a rectangle.

[4]

b.

Find the area of $A B C D$ .

[3]

1.3 Coordinate Geometry in the x-y Plane Questions

A Level
Maths
1.3 Coordinate Geometry in the x-y Plane