Current location - Recipe Complete Network - Catering training - （2117? Linyi) has two kinds of billboards as shown in the figure, in which figure 1 is composed of two isosceles right-angled triangles and figure 2 is a rectangle.
（2117? Linyi) has two kinds of billboards as shown in the figure, in which figure 1 is composed of two isosceles right-angled triangles and figure 2 is a rectangle.
According to the area formula of the graph, it is concluded that the area of Figure 1 is 12a2+12b2；; The area in fig. 2 is ab.
According to the relationship between the area and size of the graph, 12a2+12b2 > ab is obtained.