SOLUTION: If a 20 cm chord is 6 cm from a 10 cm chord. Find the radius of the circle.
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Question 1125549: If a 20 cm chord is 6 cm from a 10 cm chord. Find the radius of the circle.
Answer by math_helper(2461) (Show Source): You can put this solution on YOUR website!
From the figure (I tried to get it close to true-to-scale):
(1)
(2)
Setting these two equal and solving for k, k = 13/4 —> cm (approx 10.515cm)
Check:
(1) (ok)
(2) (ok)
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Although it is possible for some parallel chord problems to have a 2nd solution where the chords are on opposite sides of the circle's center, this problem does not have solution for that configuration.
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