Сума кутів трикутника

Applet uses the tools of transformational geometry to help students readily discover the sum of the measures of a triangle's interior angles and the sum of the measures of a triangle's exterior angles.
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资源类型
活动
标签
180  360  angle  angles  ccss  ccss.8.g.a.5  ccss.hsg.co.c.10  common  common-core  core  degrees exploration exterior interior sum theorem triangle triangles 显示更多…
目标群组(年龄)
11 – 15
语言
English
 
 
 
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