A semi-circle is a two dimensional shape.
Two.
one
semi
Two: a straight line and a curved line.
add the perimeter of the rectangle, minus the side that'c covered by the semi circle. then, find the circumference of the semi circle [diameter x pi, divided by 2] and addd them together
Semi means half. So there are two semicircles in a circle.
A semi-circle is a 180 degree half circle. A semi-circle does not have any corners. A circle does not have corners either. There are points of beginning and end in a semi-circle. In a circle the point of beginning is the same as the ending point.
a semi-circle only has one line of symmetry
a semi-circle only has one line of symmetry
A semi-circle
Circle. That is the opposite of semi circle.
180
Two.
Two of them
two
3355
Just the one and it is its radius when at right angles to the semi-circle's centre