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Closed Captioned Video: Geometry Applications: Angles and Planes, Segment 2: Angles

Himeji castle in Japan is a marvel of architecture and a startling example of geometry and military science. The castle was used to protect samurai armies from invading forces, and the use of acute, obtuse, and right angles as part of the defense structure provide many opportunities for exploring the nature of geometric angles.

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Common Core Standards CCSS.MATH.CONTENT.4.G.A.1, CCSS.MATH.CONTENT.HSG.CO.A.1, CCSS.MATH.CONTENT.HSG.MG.A.1, CCSS.MATH.CONTENT.HSG.MG.A.2, CCSS.MATH.CONTENT.HSG.MG.A.3
Duration 12.62 minutes
Grade Range 8 - 10
Curriculum Nodes Geometry
    • Angles and Planes
        • Applications of Angles and Planes
Copyright Year 2020
Keywords geometry, angles, planes, Himeji Castle, acute angles, obtuse angles, right angles, line of sight, tangent to a circle, Closed Captioned Video