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Angles in a Triangle Total 180 Degrees
Notice that the sum of the angles in a triangle is 180°, regardless of the positions of the vertices.
Contributed by:
Abby Brown
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Triangle
(
Wolfram
MathWorld
)
Sum
(
Wolfram
MathWorld
)
Angle
(
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MathWorld
)
Vertex Angle
(
Wolfram
MathWorld
)
PERMANENT CITATION
"
Angles in a Triangle Total 180 Degrees
" from
the Wolfram Demonstrations Project
http://demonstrations.wolfram.com/AnglesInATriangleTotal180Degrees/
Contributed by:
Abby Brown
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Related Curriculum Standards
US Common Core State Standards, Mathematics
HSG-CO.C.10
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