Diagonals of pentagon

Calculate the diagonal length of the regular pentagon:
a) inscribed in a circle of radius 12dm;
b) a circumscribed circle with a radius of 12dm.

Result

u1 =  22.825 dm
u2 =  28.214 dm

Solution:

Solution in text u1 =
Solution in text u2 =







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See also our right triangle calculator. See also our trigonometric triangle calculator.

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