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Prove that a triangle cannot have two right angles. A triangle cannot have two right angles. Suppose a triangle had two right angles.
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Prove that a triangle cannot have two right angles.

A triangle cannot have two right angles. Suppose a triangle had two right angles.

User TheParam
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all the internal angles of a triangle add up to 180 degrees. A triangle must have 3 angles and you can't have an angle of 0 degrees and 90+90 is 180
User Flayn
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