登入
Mathematics for IGCSE & O level - Circle Theorems (Section 1 - No. 37)
What is the measure of an angle inscribed in a semicircle?
30°
45°
60°
90°
解释
Angle in a semi-circle is always 90°
评论 (0)
登录发表评论
广告
允许 javascript 正确加载此页面