资讯

BBC6 年
Circle theorems - Higher - AQAAngles in a semicircle - Higher
The angle on a straight line is 180°. The angle VOY = 180°. The angle at the centre is double the angle at the circumference. Angle VWY = \(\frac{1}{2}\) of angle VOY = \(\frac{1}{2} ...
BBC4 年
Angles in a semicircle - Higher
The angle at the circumference in a semicircle is 90°. Angle STU = 90° Angles in a triangle add up to 180°. The angle on a straight line is 180°. The angle VOY = 180°. The angle at the centre ...