Regarding the path described by the moon in her revolution round the earth, the Cambridge Observatory had demonstrated that this path is a re-entering curve, not a perfect circle, but an ellipse, of which the earth occupies one of the foci.
The circumference of Copernicus formed almost a perfect circle, and its steep escarpments were clearly defined.
Copernicus's vast ramparts formed a perfect circle or rather a pair of concentric circles.
The glittering crescent of the Earth was evidently narrower than it had been the preceding evening, but its volume was still enormous when compared to the Lunar crescent, which was now rapidly assuming the proportions of a perfect circle.
The puzzle was to cut the two shoes (including the hoof contained within the outlines) into four pieces, two pieces each, that would fit together and form a perfect circle.
It will be noticed that 1 and 2 are cut into the required four pieces, all different in shape, that fit together and form the perfect circle shown in Diagram 3.
Cut out the two horseshoes carefully round the outline and then cut them into four pieces, all different in shape, that will fit together and form a perfect circle.
For instance, I never can seriously call in question, whether the whole is bigger than one of its parts; or whether the centre of a perfect circle is equally distant from all the points of the circumference.
But I'll bet it's a perfect circle, if we measure.
Then he said, "I remember reading that there is something darned near a perfect circle in nature.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "perfect circle" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
