Daily Practice – 03/14 (Pi Day)

Reuleaux triangle is a shape formed from the intersection of three circular disks,  each having its center on the boundary of the other two.255px-construction_triangle_reuleaux-svg

Let the arc radius be r, can you find out what is the area of this Reuleaux triangle?


Fun Fact about PI – we all know that there are many ways to calculate the value of PI; however, do you know we can also get a very good simulation of PI by multiplying these interesting numbers?





= 3.141592573

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