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25-03-2016
Mathematics

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What is the value of y?

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A triangle with angle measures thirty-seven degrees and seventy-nine degrees. The third angle has an unknown measure, y degrees.

What is the value of y A triangle with angle measures thirtyseven degrees and seventynine degrees The third angle has an unknown measure y degrees class=

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25-03-2016

all angles in triangle inside add up to 180
so

the angles are y, 79,37
therefor
y+79+37=180
solvde for y
y+79+37=180
add
y+116=180
subtract 116 from ot hsides
y=64

angle y=64 degrees

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