登入
Mathematics for IGCSE & O level - Geometrical Constructions (Section 1 - No. 11)
What is the sum of the internal angles of any triangle?
45°
90°
180°
360°
解释
The sum of the angles in a triangle is always 180 degrees.
评论 (0)
登录发表评论
广告
允许 javascript 正确加载此页面
