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  • 01-03-2016
  • Mathematics
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How many right angles can be in an obtuse triangle?

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SmarticalParticals
SmarticalParticals SmarticalParticals
  • 01-03-2016
By definition, an obtuse triangle has an obtuse angle (angle greater than 90 degrees). The 3 angles of a triangle always add up to 180 degrees. Since one of our angles is greater than 90 degrees, the other 2 have to add up to less than 90 degrees, so there can be NO RIGHT ANGLES.
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