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OpenStudy (anonymous):
Which relationship is always true for the angles r, x, y, and z of triangle ABC A. x + z = y B. 180 degrees − x = r C. x + y + z = 180 degrees D. x + y + z = 90 degrees
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OpenStudy (anonymous):
OpenStudy (anonymous):
@pooja195
OpenStudy (welshfella):
the sum of the 3 angles in a triangle = 180 degrees - does one of the above options fit that relation?
OpenStudy (anonymous):
yes B
OpenStudy (welshfella):
why do you say B is right?
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OpenStudy (welshfella):
- thers's only 2 angles in this relation not 3
OpenStudy (welshfella):
b is correct because r and x are adjacent angles adjacent angles add up to 180 degrees
OpenStudy (welshfella):
|dw:1433279305720:dw|
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