Intersect 6042

Two circles with straight radii of 58 mm intersect at two points. Their common string is 80 mm long. What is the distance of the centers of these circles?

Correct answer:

x =  84 mm

Step-by-step explanation:

r=58 cm t=80 mm  t2=t/2=80/2=40 mm  x1=r2t22=582402=42 mm x2=rx1=5842=16 mm  x=2 x1=2 42=84 mm

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