Can you provide an example?
Answer:
sen türksün be ne işin var senin burada
The answer is 170
Explanation you multiply 5x5x4 and then add 7 but put a zero so 70
(91.1061mm)First you need to find the hypotenuse which is the missing length on the triangle 20squared plus 21 squared is 841 then the square root of that (29) so the diameter is 29 multiply that by pi the you get the circumference 91.1061