14-05-2020
Mathematics

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jimrgrant1 jimrgrant1

14-05-2020

Answer:

x = 7

Step-by-step explanation:

Given 2 intersecting chords, then

The product of the parts of one chord is equal to the product of the parts of the other chord, that is

27x = 9 × 21 = 189 ( divide both sides by 27 )

x = 7

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