August 25th, 2011, 01:22 PM  #1 
Newbie Joined: Aug 2011 Posts: 3 Thanks: 0  Angles Homework Help  Geometry
Hi My son has received this Angles Homework and we are lost on Question 2. I have uploaded a picture if you could help us. I have tried and tried but I have had no luck. Hope one of yous can help. Thanks http://i818.photobucket.com/albums/zz10 ... an0001.jpg 
August 25th, 2011, 04:13 PM  #2 
Senior Member Joined: Apr 2011 From: Recife, BR Posts: 352 Thanks: 0  Re: Angles Homework Help  Geometry
Looking for angles whose sum is 180º (the ones that form a line) and knowing the sum of internal angles of a triangle is 180º should suffice. Also, if a triangle is isosceles, then there are two congruent angles, opposite to each equal side. 

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