Why?

In the image above, can you find the the value of an angle (y)?

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October 21st, 2013 | Category: Word Riddles |  Email This Riddle

3 guesses to Why?

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• Nanao Ise

  October 21, 2013 at 10:01 PM

  The measure of angle y is equal to sixty.

  It can be proven by putting into use the vertical angles theorem – that vertical angles are congruent.

  The other two angles of the top triangle, therefore, and 40° and 80°, along with y°.

  From there, it’s just a simple matter of 180 – 40 – 80 = y, because all exterior of a triangle will add up to 180°.

  It’s funny, actually – we’re learning about this in math class.

• Dude

  October 22, 2013 at 10:11 PM

  Great job Nanao Ise.

  You’re today’s winner.

• ...

  October 24, 2013 at 8:46 PM

  60 degrees