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Two points A(2,8) and B(10,4) lie on line L1. What is the equation of the line L2 which is perpendicular to L1 and passes through the midpoint of [AB]?

1 Answer

3 votes

Answer:

9.5 = 8 + AB (M1)

Note: Award (M1) for correct substitution into Pythagoras’ theorem.

AB = 5.12 (cm) (5.12347…)

Explanation:

User Andrea Bevilacqua
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