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Chemistry, 05.01.2021 19:00 nanagardiner08

Which relationship is always true for the angles x, y, and z of triangle ABC? x+z=y
y+z=x
x+y+z=180 degrees
x+y+z=90 degrees

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Which relationship is always true for the angles x, y, and z of triangle ABC? x+z=y
y+z=x

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