person6764
26.11.2020 •
Mathematics
What is 150mm in meters
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Ответ:
Becky
Step-by-step explanation:
Becky completed the proof incorrectly because her justification for statement 2 is not the right reason why m<AKG + m<GKB = 180°, nor why m<GKB + m<HKB = 180°.
This is rather the definition of supplementary angles.
Angle Addition Postulates holds that the sum of two adjacent angles can be added to give the measure of an unknown angle containing these two adjacent angles. They do not necessarily add up to 189°. Their sum could be less than 180°.
However, supplementary angles definition tells us that if two angles add up to give us 180° they are supplementary. Angles on a straight line are supplementary.
Therefore, Becky completed the proof incorrectly.