A semicircle is then drawn behind the bowls with a radius of 9 ft.
Three points are given to the bowl that trails the jack over both lines into the semicircle and goes over them itself.
Let APB be a semicircle, BT the tangent at B, and APT a line cutting the circle in and BT at T; take a point Q on AT so that AQ always equals PT; then the locus of Q is the cissoid.
A young shoot made a semicircle in 24 hrs.
It is a picturesque town, the houses having the overhanging wooden roofs of Switzerland united with the heavy stone arcades of Italy, while the situation is beautiful, with the lake in front and the semicircle of bold mountains behind.