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 ...
DRESS MAKER:'To calculate the circumference of a circle, I need to remember the formula two pi r ... and in the case of a circle, semi-circle, arc and sector. Geometry is a branch of mathematics ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results
Feedback