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Mathematics 61 Online
OpenStudy (anonymous):

In a geometry class, the students were asked to prove the theorem below by contradiction. Theorem: A triangle has at the most one obtuse angle. Heather begins the proof with an assumption. Which statement will she most likely use as an assumption?

OpenStudy (anonymous):

is this multiple choice

ganeshie8 (ganeshie8):

Proof by contradiction ! so begin with an assumption that contradicts theorem : "Lets assume two angles in a triangle are obtuse"

OpenStudy (anonymous):

ok

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