Hi everyone,
I have coding for repeating pentagon as below:

plot(0:11,type="n")
for (i in 1:10 )polygon(rep(c(4,5,7,8,6)), i*c(.5,.3,.3,.5,.7), bor=2)

which are increasing vertically.

Now, I want to know how to rotate the pentagon, so that I will get pattern
like flower.
Basicly, repeating pentagon in circle.

Thanks alot for helping me to solve this problem.
-- 
Hemavathi

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