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.
Definition of perimeter. 1a : the boundary of a closed plane figureb : the length of a perimeter. 2 : a line or strip bounding or protecting an area. 3 : outer limits âoften used in plural. 4 : the part of a basketball court outside the three-point line.