This is a follow up of the problem
https://www.mathworks.com/matlabcentral/cody/problems/45341-area-06
in this case, find the total area of the lobes i.e. the area confined by the arcs drawn.
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I recomend solving at first the previous problem, then this one becomes easy.
The figure for this problem is missing. This code will show the area to be computed:
clear; close all
figure; hold on
plot([0 1 1 0 0],[0 0 1 1 0],'k')
t = linspace(0,pi/2); c = cos(t); s = sin(t);
fill([c 1-c],[s 1-s],'y')
fill([1-c c],[s 1-s],'y')
plot(c,s,'k',1-c,s,'k',c,1-s,'k',1-c,1-s,'k')
axis equal; box off; set(gca,'XTick',[],'YTick',[],'XColor','w','YColor','w')