andreahall13p7rkxm
andreahall13p7rkxm
01-05-2018
Mathematics
contestada
What is the Value of Y?
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itmesarah
itmesarah
01-05-2018
It's a geometric rule that all angles in a triangle add to 180°.
Because we are told that one of the three angles in our triangle is 72°, and the other two are
equal
(they are both
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