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secondary 3 | A Maths
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Date Posted: 4 years ago
Views: 307
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For part i, note that "BD bisects AC at M" implies that AM = CM, or M is the midpoint of AC.
We use this fact AND the fact that BD is perpendicular to AC to help us find the equation of BD.
For part ii, the x-intercept can be found by setting y = 0.
For part iii, we use the fact that M is the midpoint of BD since ABCD is a parallelogram.
We use this fact AND the fact that BD is perpendicular to AC to help us find the equation of BD.
For part ii, the x-intercept can be found by setting y = 0.
For part iii, we use the fact that M is the midpoint of BD since ABCD is a parallelogram.
Date Posted:
4 years ago
done
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Bisector will give you the midpoint
Date Posted:
4 years ago
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