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BarlowGirl

  • 3 years ago

PLEASE HELP!!!!! Would someone please explain why the quantities in both Column A and Column B are equal? (drawing attached) "In triangle ABC, BC is perpedicular to AC." Column A: (w+z) Column B: (x+y) Thanks! :)

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  1. BarlowGirl
    • 3 years ago
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    |dw:1338583764046:dw|

  2. Zarkon
    • 3 years ago
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    \[x+y+z+w=180^\circ\] \[z+w=90^\circ\] thus \[x+y+90^\circ=180^\circ\] so \[x+y=90^\circ\]

  3. BarlowGirl
    • 3 years ago
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    OH, I see! Thank you so much! That makes a lot more sense! I really appreciate it! :)

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