Inscribed rectangle

What is the perimeter of a rectangle that is inscribed in a circle whose diameter is 5 dm long?
Answer: 14 dm

Result

p =  12.761 dm

Solution:

Solution in text p =







Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):

Showing 3 comments:
#1
Dr Math
not exact solution, because rectangle have two different size

#2
Nestor
The solution is ambiguous. Where does x = r/3 came from?

#3
Dr Math
the solution is ok, bud problem is wrongly formulated.  x = r/3 is assumed to be something calculated. The solution is picked only one from infinity many solutions.

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To solve this example are needed these knowledge from mathematics:

See also our right triangle calculator.

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