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Those are the reasons when I put BD perpendicular to AC
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3 votes
Those are the reasons when I put BD perpendicular to AC

Those are the reasons when I put BD perpendicular to AC-example-1
User RollingInTheDeep
by
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1 Answer

6 votes

Explanation:

Actually, ∠BDA＋∠BDC=180°

2∠BDA= 180°(CPCTC)

∠BDA= 90°

This is how BD is perpendicular to AC

User Pablouche
by
4.9k points
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