Do you know what a circle looks like? Can you name some other shapes too? A two dimensional (2D) shape is made of lines. Sometimes the lines are curved and sometimes the lines are straight. The lines ...
The radius of a circle is a line, which starts at the centre of the circle and ends on a point on the circumference. The radius is half the length of the diameter. Looking at the diagram, since OA and ...
You’ll find circles in lots of slides in Microsoft PowerPoint, but what you might not see as often are circles filled with two different colors. You might think, “Use semi-circles!” but guess what? A ...
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