Question

13. The points A (3, 3), B (9, 0) and C (12, 21) are
the vertices of a triangle. O is the origin. A' is
the reflection (image) of A in the line OB.
(i) Write the co-ordinates of A'.
(ü) Show that AB = A'B and OA = OA'.
(ül) Show that the triangle formed by the points
A, O and A' is a right-angled triangle.​

Answer 1

Answer:

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Step-by-step explanation:

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