Side stems affect plant vigor. As a tomato grows, side shoots, or suckers, form in the crotches, or axils, between the leaves and the main stem. If left alone, these suckers will grow just like the main stem, producing flowers and fruit. Suckers appear sequentially, from the bottom of the plant up.
The perimeter of a two-dimensional shape is the total distance around the shape, or the sum of the length of its sides. By definition, a square is a four-sided shape with four straight sides of equal length, and four right (90Â°) angles.
Circle, Its Perimeter and Area Circle is the set of points on a fixed distance from a given point; the latter is called the center while that distance is the radius of the circle. The word radius has also another meaning: a line segment from the center to any point on the circle is also called radius.