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In the circle above, FH and GJ are chords which intersect at point K. If FK = 3 mm, HK = 4 mm, and GK = 2 mm, what is the length of JK?

User Cjohns
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1 Answer

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we have a formula for that( according to the Intersecting chords theorem)

fk * hk = gk * jk
3×4=2×jk
6=jk
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