An introduction to image formation by concave and convex lenses. Learn more about the nature of the image formed by lenses by visiting BYJU'S
linear programming linear programming problems concave polygon convex sets examples example 1: prove that c = {(x 1 , x 2 ) : 2x 1 + 3x 2 = 7} ⊂ r 2 is a convex set. solution: assume that x, y ∈ c, where x = (x 1 , x 2 ), y = (y 1 , y 2 ). the line ...
A convex polygon has interior angles less than 180 degrees. The vertices of a convex polygon are always pointed outside the center. Interior angles and exterior angles.Convex and concave polygon.