Two circles

Two circles with the same radius, r = 1, are given. The center of the second circle lies on the circumference of the first. What is the area of a square inscribed in the intersection of given circles?

Correct answer:

S =  0.866

Step-by-step explanation:

r=1  Δ rrr S1=43 r2=43 120.433  S=2 S1=2 0.433=0.866

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