1 Answer

Gztomas · Answer 1 · 2021-08-31T10:15:36+0000

Answer:

20

Explanation:

For end points A and B and midpoint M, a suitable relation is ...

A = 2M -B

A = 2(15, 9) -(10, 11) = (30 -10, 18 -11) = (20, 7)

The value of x is 20.

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