Equilateral triangle angles

  • Thread starter Googl
  • Start date
  • #1
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1

Main Question or Discussion Point

Hi all,

How would you determine the angle i in the following equilateral triangle.

O-prism4.png


Thank you.
 

Answers and Replies

  • #2
tiny-tim
Science Advisor
Homework Helper
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Hi Googl! :smile:

First, find angle C. :wink:
 
  • #3
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0
If ABC and ADC are right angles then
Compute DBA
Compute ADB
Compute angle i
 

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