The angle at the circumference in a semi-circle 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 ...

Bearings are three figure angles measured clockwise from North ... Circles, sectors and arcs - Edexcel The circumference of a circle is its outside edge, and is the same distance from the centre ...