三角形的面积是底乘以高乘以1/2。如果没有垂直高度，则使用另一个公式：1/2abSinC，会在视频中学习到。 访问我们的网站 www.fuseschool.org，我们的视频都按照主题编排，并了解我们其他的内容。评论、点赞并与其他学习者分享。你既可以提问也可以回答问题，老师会回复你。 这些视频可以在翻转的课堂模型中使用，也可以作为修改辅助文件使用。 点击这里查看更多视频：https://alugha.com/FuseSchool Twitter：https://twitter.com/fuseSchool 在 fuseSchool 平台和应用程序中获取更深层次的学习体验：www.fuseschool.org 此开放式教育资源在知识共享许可协议下免费使用：署名-非商业性 CC BY-NC（查看许可证契约：http://creativecommons.org/licenses/by-nc/4.0/）。你可以下载视频用于非营利性的教育用途。如果你想修改视频，请联系我们：info@fuseschool.org
Let’s discover some more circle theorems so that we can solve all types of geometrical puzzles. We discovered these 4 theorems in part 1: Angle at the centre is double the angle at the circumference The angle in a semi-circle is 90 degrees Angles in the same segment are equal / Angles subtended by
Click here to see more videos: https://alugha.com/FuseSchool If we don't have the vertical height of a triangle, then we can find the area of the triangle using 1/2absinC. In this video we are going to discover where this formula comes from. The formula is based on area = 1/2 base X height and a
Click here to see more videos: https://alugha.com/FuseSchool Learn the basics about the principles of green chemistry as a part of the environmental chemistry topic. Our teachers and animators come together to make fun & easy-to-understand videos in Chemistry, Biology, Physics, Maths & ICT. This
