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The circled ones are incorrect. What are the reasons for steps 2 and 4?
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The circled ones are incorrect. What are the reasons for steps 2 and 4?

The circled ones are incorrect. What are the reasons for steps 2 and 4?-example-1
User Arndt Jonasson
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Answer:


\text{2. Correct reason: Sum of angles of triangle is 180}^o.\\\text{4. Correct reason: From statement 3, subtracting 90 from both sides.}


\text{Three angles cannot be supplementary. Supplementary angles are two angles}\\\text{whose sum is }180^0.

User Harini
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