The diagram shows two squares and four equal semicircles. The edges of the outer square have length 48 and the inner square joins the midpoints of the edges of the outer square. Each semicircle touches two edges of the outer square, and the diameter of each semicircle lies along an edge of the inner square.
What is the radius of each semicircle?
Select one option, then click Submit.
10
12
14
16
18
Select an option, then submit.
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