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Websorted out a key concept in geometry. He made a general study of curvature of spaces in all dimensions. In 2-dimensions: Euclidean geometry is flat (curvature = 0) and any triangle angle sum = 180 degrees. The non-Euclidean geometry of Lobachevsky is negatively curved, and any triangle angle sum < 180 degrees. The geometry of the sphere is ... WebGeometry, You Can Do It! 2 Triangle Classification by angles An acute ∆ is a ∆ with three acute ∠s. An obtuse ∆ is a ∆ with an obtuse ∠s. A right ∆ is a ∆ with a right ∠. An … springhill women\u0027s diagnostic center

Unit 4: Triangles (Part 1) Geometry SMART Packet

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