06-06-2017, 08:05 AM

Hello,

While making an Android app, I had to draw a small equilateral triangle pointing to a circle:

r: Outer Circle Radius: distance OAB

d: Side length of the equilateral triangle.

d=a*r, where a is a fraction of the outer circle radius

If we want the distance AB to be equal to 1/5 of r, what's the value of a ?

Have fun & Thanks for reading

While making an Android app, I had to draw a small equilateral triangle pointing to a circle:

r: Outer Circle Radius: distance OAB

d: Side length of the equilateral triangle.

d=a*r, where a is a fraction of the outer circle radius

If we want the distance AB to be equal to 1/5 of r, what's the value of a ?

Have fun & Thanks for reading